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Dirt Bike Brands - Other
Yz 250 change in performance?
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[QUOTE="SKIDOOrider800, post: 1095141, member: 60380"] :think: Over the last couple rides I've noticed the engine on my bike seemed to be straining a little to make power. it just wasn't as crisp... you'd have to push it more anyway. So tonight when I was riding I came off a little service road run, I noticed the bike sounded more throaty. It was less muffled more of a bRRRRRRRRattt vs. the late Bzzzzzzzzzzzt. Exhaust connections seem to check out. I also noticed the power seemed better. It'd rev quicker, smoother, and hit the powerband more easily, didn't sound like it was trying so hard. back to what i believe was the original power. trying to figure out what would cause this. -The bike is an 02 with an FMF fatty, and homebuilt "shorty" muffler (looks to be a stock silencer cut 3" short?) -I have an 05 engine in it, 7 hrs riding it myself (low hrs prior) -it is still on 02 carb, but pipe and jetting match both engines according to the respective manufacturers -I mix 33:1 Amsoil Interceptor, 91/92 octane gas, from a 5 gallon tank. I normally top up from 1/3 tank after every ride. - I had some injector cleaner in there (10 ml's.. right amount for 2 gallons.) -today was a few degress cooler than most any ideas?? also, [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Yz 250 change in performance?
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