1973 Yamaha SR 292

1/12/14: Drag sled test and tune

[@tdavidg9176]

Wow, heck of a launch. The little 292 looked as impressive as the 643 out of the gate.

[@kevner6868]

Pretty goddamm good for an old single ;)

[@clintons31]

292 So damn MEAN YAMAHA #1 LOVE THIS VIDEO

[@anders6435]

Where to buy one? Crazy sled!

[@ryanriel2329]

One lung is more fun!

[@evltwin984]

Would one of the engines overheat in warmer conditions? Trying to find one for a dirt sprint kart application. Any help would be great or any leads to a motor. Thanks in advance

[@Fongolitus]

It probably would. I wouldn't recommend it.

[@bones6173]

It's a free air needs cold weather and is at its best for the first rip

[@codyhopp7490]

@@bones6173 if that's the case, then how are the old free air dirt bikes and 2 stroke street bikes able to run all summer? Just gotta tune em.

[@bones6173]

If your racing they great like a dirtbike just have to keep a good clip u can't get good performance on the trail with stopping and going and yes all free air engines get hot go liquid they last longer happy building motorcycles don't have hoods the do have all the parts under hood bikes don't free air sucks in deep snow because over open hood venting everything gets wet belt slip is a big issue and free air bikes do have overheat issues I could go on forever but just saying freeair is great it's lightweight and has know water pump cc for cc free air has a little more but if not breathing at full speed the liquid cooled will hold its performance u could try efi on a free air

[@bones6173]

OK the motor I request is early 70s Polaris to late 70s TX 340 or 440 I've rode most free air modles up to 81 eltigre 5000 free air the cats just couldn't take the heat good luck been on 2 strokes since I was 4 sleds to bikes I'm 51 years old

[@robertarseneault8279]

Same engine 292 Yamaha F/A Sno Jet Thunder Jet 1973

[@Slayer-zl6ql]

its a single?!?! great! thats going in my 250 enticer lol

[@bones6173]

Put in the old bravo smaller lighter