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Optimus Svea Stove

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    28 Reviews


    Reliable performance that transcends weather and altitude.

    Thanks to its compact construction and reliable performance at altitude, The Optimus Svea Stove has been an integral part of the light-and-fast climber’s kit for decades. With few working parts, an integrated cleaning needle, and an attached adjustment key, the Svea keeps things simple and gets the job done in any weather conditions. The lightweight lid doubles as a small cooking pot, and the compact brass construction is ideal for ultralight backpacking, high-altitude climbs, and limited-space outings.
    • Item #OPS0011

    Tech Specs

    3.9 x 5.1 in
    Fuel Type
    white gas
    Burn Time
    50 min 4 oz
    Boil Time
    7 min
    Auto Ignition
    Heat Reflector
    Parts Kit
    Cleaning Tool
    Stuff Sack
    Hard Case
    Claimed Weight
    19 oz
    Recommended Use
    ultralight backpacking, alpine climbing

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

    Have questions about this product?

    Combat tested, & and battle ready...

    • Familiarity: I've put it through the wringer

    I was given my Svea 123 by my grandfather in 1983, when I went into JROTC. I had it all through JROTC, and my first enlistment in the Marine Corps. The Svea went with me on every field op, and performed fantastically! It even survived rough handling in Kuwait in 1991... too bad some @$$£¥₩€ stole my stove! It was always a joy to have hot, fresh coffee, and hot MREs when everyone around you settled for eating cold MREs, and chewing on instant coffee... the design has been around for a long time, and continues to set the standard by which others are measured. Sure, there are newer and better designs; I'll stick with the Svea 123... if it can handle going to war, it can handle any backpacking trip, or mountaineering adventure.

    Great stove!

    • Familiarity: I've put it through the wringer

    My first exposure to the 123 was in the late 1960's in Colorado when four of us packed down into the Platte River canyon in February for an overnighter. I had never seen the stove before this. It was carried in and used by another fellow. I was still using a small grill over a wood fire. The trail in was clear of snow but that night, it snowed about 18 inches deep. We broke camp early knowing it was going to be a hard climb back up, about 1200' to the top in about a mile. The trail was obscured by the snow and we took turns breaking trail. Finally reached the top nearly exhausted. Niles broke out his Svea 123, got it going in a short time, heated water for all of us a cup of tea and some cookies. I was amazed at it's performance, and thankful. I purchased one before my next pack trip and used it for many years until it just wore out, literally. The valve and fuel spout gave up. It was like giving up a good friend. I replaced it with an MSR Quiet (the 123 did produce a rather loud roar in use) and continue to use it today, though I would highly recommend the Svea 123.

    Colorado Pete

    Great stove!

    SVEA 123, The MOST Dependable Stove Ever

    • Familiarity: I've put it through the wringer

    The SVEA 123 weighs 15.5 oz (without the pot and handle) and was the first light weight backpacking stove when first sold in 1955. It is also the most reliable stove ever made, with only 1 moving part (2 for the 123R but only 1 is necessary) it is your "go-to" stove when a stove is necessary for your survival.

    My starting method for a 123 is clean the jet (123 pricker, 123R turn the valve full counter clockwise) then fill the recess on the tank with spirits (denatured alcohol, shellac thinner) attach the wind screen and light it. When the flame is almost out I open the fuel valve and wait for the flame to stabilize and burn blue.

    In the snow, use a plate or a couple of small branches to keep the tank off the snow (or it will sink in the snow). Also you you may need to prime it twice when it is really cold.

    On the 123R, with the integrated cleaning needle, the maximum flame is between full closed and full counter clockwise (which is clean needle fully deployed). Simmering is a challenge, too small a flame and the vaporizer will not get enough heat to maintain the flame.

    For safety, replace the fill cap gasket whenever you see small cracks, the vitron rubber is hard or old, check yearly and change every 5 to 10 years. The Safety Release Valve (SRV), inside the fill cap) needs to be checked, a simple operation. With a large paper clip or the back end of a 3/32 inch drill bit and the fill cap upside down (the side that is normally inside the tank), push paper clip or drill bit end in the small hole. It should move up and down with little effort. The internal spring sometimes rusts (after market springs) or the valve becomes blocked from food or other debris that enters from the top opening.

    In reality this stove needs very little maintenance and if you use white gas (e.g. coleman fuel) and prime with spirits you'll have the most trouble free, dependable stove that will give you decades of use and enjoyment.

    THE most reliable, yes, 2014

    • Familiarity: I've put it through the wringer

    I was a guide/instructor for about 10 years. Several years in there I never lived in a house and spent 300+ nights sleeping out. I always cooked on a Svea 123, two meals a day. I still use mine. It functions well on extended winter trips in Montana, extended summer desert trips in Idaho, Utah, etc, and everything in between. It's outlived countless MSR's of various models owned by friends and students. I once had an argument about this with a gear store owner in Durango who was an MSRophile. He got quite worked up and triumphantly gave me a piece of literature that stated in plain print that the MSR Whispelight "is the most reliable stove available on the market". This was printed by MSR. Amusingly (and to MSR's credit) there was an asterisk beside the durability claim, connected to some fine print at the bottom of the page which read: "with the exception of the Optimus Svea 123R". What could I say?

    Here are the con's of the 123R: it is not as fast as a whisper light, or several other fast boiling stoves. It is relatively loud. It is wind sensitive (this can be addressed!). You cannot use a terribly large pot on it at high heat for long (or it will pressurize the stove and blow out the safety seal in the lid, which cause various things -- in short, it won't really work and will need a new lid); I alway carry a spare lid and generally push this boundary. In winter conditions (say -20)filling the stove with cold hands can be a trick.

    Here are it's pro's: a full tank of fuel (that's 2/3s tank capacity)runs 40 mins, enough for instance to cook a pot of raw lentils and rice from scratch and make tea twice. I(f you live outside all of the time you'll want that after awhile.). It's bombproof; don't even bother taking a Whisperlight on a 3 week desert trip. No matter what the unlearned say, it has a great range and simmers beautifully on a way low heat. And, only a handful of times in my life have I not been able to produce a functional wind break

    THE most reliable, yes, 2014

    Best Stove money can buy

      My dad got me this stove a few years ago when I was really getting into backpacking trips. I pretty much used friend's canister stoves prior to this. And while canister stoves provide easier flame adjustment, and may be lighter, I found it was easier to carry more fuel for the SVEA volume-wise. These things are reliable as hell too. Camped on Mt. Washington at 4,100 ft in February and it was the only stove we could get to really work. (we had a Jetboil and a similar Brunson pocket rocket) Wished we had 3 SVEA's instead!

      Optimizing the Optimus 123R

        The Optimus lives up to its reputation for ease of operation. Instead of using the aluminum cup and handle that comes with the stove, consider pairing the stove with a cooks set or metal double-walled cup that the stove fits into. Consider the Snow Peak Titanium Mini Solo Cookset which also comes with a net storage bag. Also get a fuel bottle that holds the amount of white gas you will use plus some extra for unexpected needs.

        The ol' stand by

          I replaced my old Svea with several stoves, after it developed a leak. Out of nostalgia and as a back up stove I got another. She's as good as the original. I headed our for a 2 day trip and took the Svea and no extra fuel and the weight was comparable. Worked like a charm.

          Love this old stave and definitely recommend it!!!!

          Blow it up and it still works

            Have two 123's. The first one acquired in 1970.
            While winter camping in the Adirondacks about half way up Blue Mt. in '72 my buddy blew it up.
            They do need to be finessed for use at -20 and a 25mph wind (hey, later that night it fell to -40 and the wind kicked up to about 40mph, I have no idea what the wind chill was) and my friend was not experienced using one in those conditions.
            He got too heavy handed priming it and did not open the valve enough to vent the building pressure.
            Soon it was enveloped in flame and sounding like a 747 on takeoff, we could no longer go near it. Then the tank started blowing up like a balloon and we headed for cover.
            The emergency pressure release valve, a solder plug in the middle of the cap finally melted and blew out, at which point we had a 15' geyser of flame spouting up at a 45 degree angle that melted my aluminum windscreen/cook set into a puddle of slag.
            My buddy looked terrified that I was going to flay him alive. I was just happy that no one was hurt, no other equipment was lost and he had another stove and cook set in his gear.
            Once the stove cooled pliers were needed to remove the blown cap. A replacement cap, the original brass windscreen installed and new load of white gas and she was humming along again as our second burner 1/2 an hour after armageddon.
            Never had any further repercussions from that incident and she still roars 40 years later. Except that all those sharp creases and folds were blown out resulting in a very fat and balloon like Svea with approximately a 20% greater fuel capacity.
            When my health made me hang up my backpacking boots and car camping with the family became my milieu, I went for a second Svea 123 knowing I can depend on her through thick and thin.

            Please do not use stoves in tents, had this happened in our tent even if we escaped burn injuries nighttime conditions were deadly. We were well equipped for -20, even -30. When we unpredictably encountered wind chill conditions in the area of -85... Well, just to survive we had to pull out all our spare clothing to supplement our Holubar Royalight sleeping bags (anyone remember Holubar? Pre-Eddie Baur Holubar.) in a three wall expedition tent and still came closer to Brokeback Mountain than either of us cared to.

            Hysterically funny review. Thanks for the entertainment along with the great information and testomony!

            I plan to experience the greatness of this stove myself; hopefully minus the mishap and 15 foot flames!

            Great review!!


            Len, great story, one thing with the cap, it needs to be tested and maintained.

            Take off the cap and turn over., you'll see a hole with a black rubber inside it. With a large paper clip, press the rubber inside the hole it should move! If it won't move the Safety Release Valve is not functioning!

            It sound like you were very very lucky that either the rubber melted or the SRV finally gave way. A functioning SRV would have prevented the tank from ballooning.

            Almost as old as me

              I just happened across this info (that sells the Svea 123R) while searching for a replacement gasket for my Svea 123. I had to respond. I purchased my Svea 123 new in 1972. I still use it today. While I do own an MSR Dragonfly, the Svea is, from my experience, far more reliable. I have never had an issue with it (other than to replace the Viton gasket in the fuel cap). I have used my stove in the High Sierras, the Blue Ridge Mountains, the Arizona desert, all over Alaska (used it many times to cook freshly caught salmon and halibut), and Utah's desert and high country. The stove has NEVER failed to operate as designed. To be sure, there are lighter and more appealing stoves, but the Svea 123 has to be the most dependable backpacking stove ever made. I continue to use the stove partly because of all the good memories, but it's more than that--I never worry about the stove failing when there is no room for failure. It's that dependable. As far as priming goes, I learned early on that the best way to prime it is to pour some fuel on the tank and then light it. Sometimes in very cold weather I have to do this twice. I purchased the Optimus Mini Pump with this stove but have never used it, preferring to prime it as described. I paid $25 (if my memory serves me well) for this stove 40 years ago. There are few pieces of gear that function so well for that many years. Every decade or so I polish the stove with brass polish. I just bought a new one (just for the halibut) from for my 72-hour kit.

              Agreed on all counts! Mine is 45 years old and as good as new. To start it, I put a little gas into the cup around the stem, let that burn nearly off, then turn 'er on. Fits right into my cookset. No weird projections, and you can turn her down to a very low simmer. Best stove going.

              Just Not Very Good...

                I bought my Svea for one reason; Colin Fletcher who was my backpacking hero when I was a kid, used one. (Although, even then I preferred my little propane Gerry stove, and eventually lost my Svea). So, for whatever reason I decided to get one.

                To be blunt, this stove is heavy, is unstable, performs poorly in wind, takes a long time to boil water, and is very hard to light. Oh, and forget about trying to simmer anything. If you are buying it for efficiency or performance, you would be much better off with an MSR Dragonfly for white gas, or the MSR Reactor for propane. I wish things were different, and that this stove had been somehow upgraded. But it has not.

                To be fair, in addition to sentimental value, the stove is durable, and does not require pumping. This internal pressurization is also why it is slow to boil water.

                So, I am putting this review out so people know the truth about the stove, and why some of us old-timers might have one. It is a durable, but poorly performing cantankerous stove that is very outdated. But if you want to cook on a piece of backpacking history, go for it.

                It might be cantankerous, but I was able to pull one out of my dad's garage, fix it and get it running optimally withing a day with just a thorough cleaning. The one I have simmers better than any of the 'modern' one valve stove (looking at you, MSR) and lights with less drama than most of those as well, so I am kind of puzzled by your review. It is on the heavy side, although it makes it a fine weekender in my opinion because if you just fill the integrated fuel tank it saves you the weight of the separate fuel bottle and will burn about an hour on that from my experience (depending on what level you run it at on average).

                I thought it was just an old piece of poo when I started playing with it, now I think its highly reliable, functional, easy to use, and almost artistic piece of gear.

                One bit of agreement though - it is not very good in wind. I use some sort of windscreen with mine.

                Your Gerry... which is the same stove as my Hank Roberts Mini Mark Stove, is no stellar performer in the wind either. Most pack stoves aren't. Even my benchmark, foul weather performer, MSR XGK comes with an aluminum windscreen. No, the Svea is not perfect, but it is bullet proof. Quirky? Yes, it can be. In cold weather, it's advisable to insulate the tank from the cold ground or snow to keep it chugging. On a -20F trip in the Boy Scouts many moons ago, my Mini Mark went belly up despite sleeping with my fuel canister. My fellow scout with the Svea was the only guy cooking with a stove that weekend.

                I bought the Svea 123 in '72 for $14.95 just prior to taking two years traveling throught the US, Europe and Asia. During that time I never had issues with my stove. It is bullet proof. Other than repainting the metal case and putting a gasket on the brass fuel canister it always worked even at 12,500 feet and -5 degrees. It did require a bit of cleaning after I burned diesel for months in India but it never let me down. The pump is necessary to build pressure at high altitudes or low temps. I'm getting a multi-fuel Dragonfly for Christmas so I'll post something to compare old vs new.

                Svea 123 best ever

                  I went to Philmont in 1984 as a young boy with my Svea. After Philmont, I went on to other things and did no backpacking until my boys got into Scouts. My parents had my old backpack, and in it was my Svea. I literally did nothing to it, but it fired up on first start with 20+ year old white gas in it, and has run like a champ since then. I've still got the unopened all "moving parts" repair kit, but to date, have not had to do a thing to it. This is an amazing stove, and it is what I learned to cook on. The designers should have gotten a Noble Prize for something.

                  A great little stove

                    I bought mine in 1970 for less than $7.00. Have used it for no less than several hundred nights of backpacking. Also have an Optimus Model 80 of similar design. Only problem ever was a need to replace the gasket in the fuel cap. Truly the most reliable piece of backpacking equipment I have ever owned!

                    Svea 123

                      I bought my first Svea 123 in 1979. I used it often for a few years before life got too busy to backpack. 32 years later, I was asked to go Camping with a few Army Special Forces friends. Aside from the fact that I had not changed the feul for over 30 years, that white gas fired right up! Once I remembered that one needs a proper headspace for fumes (e.g. do not over-fill), it was sputtering blue flame so hot that it melted the aluminum windscreen that came with it!. Fortunately, the base and wind scren are now Brass with new models. 4700 BTU is serious output without regard to altitude or temperature. I wouldn't trade it, sell it and in fact I bought a new one from Backcountry.

                      A light, when all others go out

                        I'm biased here, because the roar of this stove is the soundtrack to the outdoors as long as I can remember. I was given mine when I was ten, and spent hours on the back porch learning its quirks and how to light it. I own several other stoves, and they have their purpose, but this stove is the best I own. It clanks around, it's tarnished, it's bulky and on the heavy side, but I go back to it every time. I like the comfort of knowing I have a hot meal or a hot cup of coffee, whatever the conditions or temperature. It's earned it's spot in my pack.

                        Best of the best ye ole' Svea

                          I bought my first Svea 123 in the late 70's and have never been let down. For priming I simply carry a plastic eye dropper (stores in the lid) and squirt enough fuel into the base of the burner to fill the recess. That little metal mother always lights. To much fuel in the recess = huge flame, so don't sit to close to it when igniting. The lid sucks for cooking, but works perfectly for protecting the bendable upper parts of the stove. I also own a Wisper Light, but don't trust it do to the multitude of plastic parts. My 123 is the only camping equipment that has not been upgraded over the years, because it's simply the best stove on the market in my opinion.

                          Little Brass (Bomb) in a good way

                            Quick Review!
                            Backpacking with hot food is GOOD!
                            My friend bought one in 1976.Went backpacking for 2 weeks in the Rincon MT. range outside Tucson, Az! Grass Shack!Great Hike by the way.This little stove works great ran B-L-D for two weeks on 2 pints? of white gas.Little finiky at first with priming etc. but you figure it out quickly.If the old ones are still out there working they must be indestructible.Looked at new lighter stoves $$$ get yourself a timeproven stove you can probably give to your grandchildren!!!

                            Dangerous in Tent

                              Does a good job of making coffee but has a dangerous side effect if not careful. When done making coffee after 17 minutes of continuous operation, I had to place cup on the unit to shut it off. On-off key would not shut it off. Even after putting cup on unit to cut off flame, unit would still output gas. As the unit sat there on my stove in the house, hissing gas, it burst into flames. This would have been a disaster if I had it in my tent. I had to place a pot over the hold thing to kill the flames.

                              Sounds to me like the stove needs a gasket replaced in it. I bet that you might be able to get a parts kit for it, and replace whatever part or gsket needs replacing. i thought that Svea/Optimus used to sell apspare parts kit for this stove...try contacting them. Good luck-one thing is for sure-these stoves are worth fixing!

                              Mine Is 37 Years Old

                                My non self-cleaning model was purchased in 1972 for $14.95 & it is still used on car camping trips to date. (I have since started using canister stoves to lighten my backpacking load).

                                This was my first stove & it has never failed me on any occasion. One particular time was @ a camp @ 12,600ft. After setting up camp, we started to prepare supper. Everyone else was using a Bluet/Camping Gaz butane stove & I was using my Svea. The wind was blowing the other stoves out & with the addition of a cold night approaching, it was time to get food preparation in order. My stove heated all the water for our camp of four people with plenty of power to spare. After that trip, my camping companions all purchased a Svea 123. The only change made to this stove over all these years is the addition of a self-cleaning needle inside the burner/valve assembly. A true classic in every respect!

                                (Use an Optimus Mini Pump to help with preheating & pressurization. To use in winter months & on snow, place a small piece of closed-cell foam underneath to help the pressurization process & to keep the stove bottom warm).

                                It's been years - but I remember replacing the filler cap. The pump attached to that cap.

                                My Svea was fantastic - but one night I had a large pot of coffee on the stove and it "popped". The concave bottom became convex.

                                No explosion, no flames, just "pop". I never did figure out how pressure was able to build to that level.

                                Last time I used my old, dear and very well used Svea stove it leaked dangerously. I can (a_) buy a new stove or (b) buy the repair kit. How easy is the repair kit and how long will the repair last? I love my stove, but the flames all over the campsite were scary.

                                It truly depends on the severity of the damage to your stove. The repair kit is quite easy to use, although some wear and tear or damages to the stove may be irreparable with the kit. An efficient stove is not only safe, but consumes less fuel than one that leaks!

                                I have not used my Svea 123 in many years. Is the pink-colored Coleman fuel that's sold nowadays as white gas a problem? Seems like that's all I can find in the stores.


                                Have you gone to hardwear stores? Normally they'll have other fuel brands. But yeah you can use the white gas that Coleman sells.

                                Shoot me an email anytime you have questions!

                                Jared D.

                                Expert Gearhead



                                Heck...I used to use premium gasoline (before ETOH was added) in my Svea stoves. I can still buy ETOH free gasoline here in Washinton State....having said that I currently use Coleman fuel.

                                I have used this stove for over 40 years. This stove outperformed others on the trail. Awesome stove. My pump turned up missing. Does anyone know where I can buy another pump?

                                Hi this is Mark actually trying to contact Tracy - I actually have a 35-year-old Svea with this pump and the gasket has finally worn so that it won't seal properly - I'd be happy to buy yours if it's still possible. My e-mail is - thanks!

                                I bought a Optimus Svea 123R stove back...

                                I bought a Optimus Svea 123R stove back in the 80's and the windscreen is not holding up so well. Do you have any idea where I can buy a new one? since they are still selling the Climber 123 they must still selling parts for the stove. Al

                                Go to BaseCamp web site:


                                The part is #2100, and sell for 26.20 pounds stirling (less than $50 USD).

                                For seals and gaskets the best site is The Fettle Box:


                                They make VERY good gaskets and seals, shipping is reasonable and so are the prices.

                                Both sites are in the UK but the service world wide.

                                To get help with repairs or to connect with "stovies" go to the Classic Camp Stoves web site:


                                Good luck, and post your restoration photos at for all to see.

                                Hello Al,

                                If you have not yet bought a windscreen, I would suggest A & H Enterprise:

                                This couple has every part imaginable for old and new european stoves. In fact, I just ordered a rebuild kit for my Optimus 8r last night.

                                New to this stove - heading out for 10...

                                New to this stove - heading out for 10 days wilderness canoe trip with 4 people. Does anyone have any guidelines on fuel usage per cooking hours?

                                the stove burns about 40 minutes on a full tank (3oz). the tank capacity is 4oz...don't fill it more than 3/4 of the way to allow for pressure build-up. best stove there is...i've been using mine with frequency for 20 years +. because of their size, if you place a pot that's too large in diameter on top, it could tip over. most reliable stove ever produced IMHO. seach for svea 123 on

                                Can you prime the gas tand with a pump?

                                Can you prime the gas tand with a pump?

                                My SVEA stove wont start.. Is there a jet...

                                My SVEA stove wont start.. Is there a jet mthat needs to be cleaned?

                                Best Answer

                                I'm not certain if you have any experience with this stove. When I was 40 years younger, my scoutmaster loaned me a Svea stove. I didn't know how it worked and I went without cooking that rainy weekend. Since the stove has a built-in cleaning needle, the jet it is probably already clean. This stove is self pressurizing, so it must be primed or pre-heated. This is done by placing alcohol, priming paste, or even a small amount of the stoves fuel (coleman fuel or other white gas) in the small depression in the top of the tank where the burner is screwed in. By heating the top of the tank and the burner's valve assembly, the fuel expands and pressurizes the tank. At first the burner will sputter and flair up a bit, but as the stove warms even more, it will begin to burn cleaner with a strong blue flame. It will also be kind of loud compared to a butane stove. Seems like more trouble than it's worth for a novice, but this stove will work when a butane stove becomes a paper weight.

                                I had the same issue with a 35+ year old Svea that always worked perfectly and then just stopped - it wouldn't light, even when pump was used. The solution was easy enough - just a little cleaning of jet area with fine steel wool to remove carbon build up and it's working perfectly once again. Now I will always have a small piece of steel wool in my stove kit for insurance.

                                Write your question here...Where can I get...

                                Write your question here...Where can I get a filler cap for the 123? I have a pump adapted filler cap now and it isn't holding pressure. Any way to repair? I have had mine since the early 70's and up till problems.

                                Hi Alan-

                                Sounds like the seal is bad on the cap. It might have just dried out, so a little lube like lithium or silicon might help, but if it's a goner, try this next-


                                or this (thanks Jeff!)-

                                If that's not the obvious solution, here's the contact list of Optimus partners who carry spare parts (Katadyn in the US)-


                                Good luck, hope this helps.

                                Howdy, Alan. I recently purchased a set of six gaskets from a seller in England. (I live in Utah; total cost was about $8, including shipping. Six are more than anyone needs, but that's the way the seller sells them.) These are the real deal: Viton gaskets, so they last a long time. I have trimmed other types of material (such as Neoprene gaskets, which are readily available from your local hardware store, but this material is not designed to withstand high temperatures). On eBay, do a search for "Viton" and then look for the seller "spiritburner."

                                What cookset do you recommend for this...

                                What cookset do you recommend for this stove?

                                Best Answer

                                If the lid/pot that comes with it isn't enough, and depending on if you're going to be using it for solo or a couple people, I would look at the Snow Peak titanium pots. Start with the Trek 700, then the Trek 900, and if that's not quite big enough, go to the Trek 1400. This stove will also nest into both the 900 and 1400 nicely.

                                If you're interested in keeping an all Optimus kit, here's a link to what they offer as well.


                                I have an Optimus99 carbide mini stove....

                                I have an Optimus99 carbide mini stove. I'de like to find out how old and if it is worth anything?

                                Best Answer

                                The Optimus 99 burns only white gas. I actually had to think about the carbide gas thing for a minute.

                                It was first introduced early to mid 70's & sold for about $25. Similar to the Svea 123 in function & 8R/Hunter in appearance & size, it is a self-contained stove where the cookware is part of the actual stove. I can't tell you the exact age & worth of your stove, but the Optimus 99 was only manufactured for about ten years.

                                Re Svea 123 stove: Is there a difference...

                                Re Svea 123 stove: Is there a difference between the 123 and the 123R? Should I care which I buy?

                                Best Answer

                                The original Svea 123 has a straight vaporizing tube which, when heated up, acts as a generator. The jet/nipple also has to be "pricked" with a cleaning tool to keep the orifice open. When the 123R was introduced, a self-cleaning needle was added to the vaporizing tube & voila, now you could clean the jet by simply turning the valve key.

                                You can still find the original 123 on eBay, flea markets, antique stores, a stove collector like myself, but not new on the retail market. On the other hand, 123R's are available mostly in North America & Europe.

                                These little gems won't be produced forever so pick one up before they go the way of the 123. They are an amazing, little stove.

                                What is white gas? ok thank is...

                                What is white gas? ok thank is it safe to use with automotive unleaded gas?

                                Best Answer

                                "White gas is the name for pure gasoline, without additives. This was commonly used when leaded gas was normal, to prevent fouling in situations where the properties of the tetraethyl lead additive were not required".

                                The stove is great but I would not use unleaded gasoline on any advice. White gas is commonly called Naphtha but it is not unleaded gasoline. Aside from the additives other then lead in gasoline that are used to work in compression engines the burning characteristics are significantly different. Do not use gasoline.

                                Unleaded like the name states, has no lead, but it does contain other additives. In a pinch, unleaded was used by me, and it worked. A little smokey on start-up, but ran well when warmed up fully. Not a wise choice because of the additives. Unleaded produces poisonous combustion by products and cause nasty deposits to build up inside the vaporizer/valve assembly. It may also effect your seals. As soon as suitable fuel was available,(naphtha from a hardware store), I swapped out the gasoline immediately. If I had a choice, I would NOT use unleaded.

                                Where can I get an "O" ring/gasket for the...

                                Where can I get an "O" ring/gasket for the filler cap? I found a source for the filler cap that comes with the "O" ring but don't have the ring. I'd settle for a repair kit but can't find anyone that has them in stock. Any help would be appreciated.

                                Thanks, Don

                                Best Answer

                                Talk to Shirley @ the below website. I also have tank lid gaskets for your 123R. Let me know what you would like to do. Here's more information:


                                Thanks Jeff. I called and they were very nice and personally searched the parts bins and didn't have any gaskets or repair kits. I did go to my local REI and they had a gasket with a smaller hole in the middle. They punched it out to fit. Works fine.
                                Thanks for your help,

                                Thanks Jeff. I called and they were very nice and personally searched the parts bins and didn't have any gaskets or repair kits. I did go to my local REI and they had a gasket with a smaller hole in the middle. They punched it out to fit. Works fine.
                                Thanks for your help,

                                Where can I obtain an exploded view of a...

                                Where can I obtain an exploded view of a Svea 123, including the parts ID if possible. My stove is the older Svea, without the internal jet cleaner. Thanks, Clare

                                I hadn't lit my Svea stove for years until...

                                I hadn't lit my Svea stove for years until my daughter decided she wanted to go backpacking and I'm having a heck of a time getting it lit. I'm using camp fuel but it's pretty old. Could that be the problem

                                Best Answer

                                The fuel could indeed be the problem:
                                1.Empty out whatever fuel is currently in the tank.
                                2. Take four ounces of fresh new fuel & pour it into the tank.
                                3. Slosh it around & let it sit overnight.
                                4. Pour this fuel out, refill tank, prime, & light.
                                5. If for some reason this doesn't work, unscrew the burner head from the tank & replace the wick available from Optimus or Brunton.
                                6. Reattach burner making sure to tighten securely.
                                7. Refill, prime, & relight.

                                Where can I get one of those expanded cook...

                                Where can I get one of those expanded cook sets / mess kits that were MADE for these stoves? It had 2 big pots, a smaller fry-like pan, wind screen, clamps, nylon strap, remember those??? Damn I need one BAD!

                                Best Answer

                                If you can find an "Edelweiss" cook set anywhere, snatch it up! I have seen them on eBay from time to time. Similar to the Sigg, they were perfectly matched & manufactured specifically for the Svea 123 stove.