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Many years ago a riding buddy used aviation fuel in a Kawi with similar results.
there is a huge wealth of knowledge on this forum and many centuries of experience with these mechanical wonders, so why not put some of your collective genius to work and pose a question the the collective masses.
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I posted a picture of this bike before, but now i got some more info from the seller, prompting my question:
what happened to this motor? describe the scenario that would cause this damage and what other parts might be damaged.
in a few days i'll post the added info i got from the seller.
(note his price is down from the original $1000)
1995 Yamaha XT225 Dual Sport, needs engine work - $600 (redwood city)
1995 Yamaha XT225, 23400 original miles, needs major engine work: piston, crankshaft, maybe more. You can see in the last photo what happened to the original piston. Other than that the bike is in good shape. New off-road tires. New seat cover vinyl. Current California street registration. Email if interested.
[Yamaha XT225 is a classic. Yamaha originally marketed it as a beginner bike, but beginner or not, nothing made today is as light (238lb), turns as tightly (74"), and still does passably well at freeway speeds. Grab them while you can. The last ones were made in 2008.]
Last edited by joeband; 03-24-2014 at 10:38 AM.
1994 TW226- 6spd. 10w-40 synthetic, XTHidden Content , XT225 stainless header, +2" Joemama swingarm, lizrd cooler, +20% fork springs, +25% rear spring, 2001 speedo w/ trip odo, pro taper atv bars, bark busters, shinko 241 front tire, front fender w/ mr bracket bracket, Hidden Content , o-ring chain, ricochet skid plate, Hidden Content , XT225 rear brake cam lever, folding-tip shifter, cycle rack, kolpin 1.5 aux tank & 1450 pelican case. Hidden Content or Hidden Content
Hidden Content
Many years ago a riding buddy used aviation fuel in a Kawi with similar results.
it looks like detonation problem, over heating or timing issue.flywheel key sheared off or worn ?just guessing without being able to check out engine in person.
Joe -- I used avgas in my TW and about the only thing it did was smell like a Cessna.Originally Posted by Joemama
As for the melted piston, maybe some nitro-methane?
Or blow torch.
Last edited by elime; 03-24-2014 at 11:32 AM.
Long live the internal combustion engine!
High speed lean condition.
BMW G650 XChallenge, Triumph Scrambler, BMW R60/6, SV650 Track machine, 88 TW200, RD350, KTM 640ADV
Contents may, or may not have been in aerosol cans?
BMW G650 XChallenge, Triumph Scrambler, BMW R60/6, SV650 Track machine, 88 TW200, RD350, KTM 640ADV
I can't believe that piston came out of that engine in that shape. The engine would have quit long before it deteriorated that bad.
It looks like a hexagon in the center, strange.
2013 Yamaha TW200
1996 Yamaha TW200
1995 Kawasaki KLR650
2002 Yamaha RoadStar 1600 with sidecar
It died.
A little too much laughing gas?
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