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Everything Dirt Bike
Make / Model Specific
Yamaha
The 1999 YZ250
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<blockquote data-quote="Trfsrfr" data-source="post: 209575" data-attributes="member: 3959"><p>Well, took the bike out for a ride today... no go. I was so hopeful.</p><p>I think I'm getting close though.</p><p>It feels like it rev's smooth until it hits the powerband, then it get choppy and sputtery.</p><p>Did a real good plug chop on it though, but forgot a new spark plug. </p><p>I haven't pulled the plug yet but I may try and get a look at it tonight...maybe. It's cold in the garage right now.</p><p>If not tonight tomorrow for sure, and I am going to go and purchase some jets from the local bike shop.</p><p></p><p>So couple more questions;</p><p>1 - how many other things can be causing this issue? If I got fresh gas, compression, spark, timing...what else is there?</p><p>Would the reeds cause it? Or how about that fuel cut-off switch?</p><p>2 - This thing needs a chain and rear sprocket bad. My buddy Danno has some new bulk chain I can use, but where to purchase a decent but inexpensive sprocket? Steel or aluminum?</p></blockquote><p></p>
[QUOTE="Trfsrfr, post: 209575, member: 3959"] Well, took the bike out for a ride today... no go. I was so hopeful. I think I'm getting close though. It feels like it rev's smooth until it hits the powerband, then it get choppy and sputtery. Did a real good plug chop on it though, but forgot a new spark plug. I haven't pulled the plug yet but I may try and get a look at it tonight...maybe. It's cold in the garage right now. If not tonight tomorrow for sure, and I am going to go and purchase some jets from the local bike shop. So couple more questions; 1 - how many other things can be causing this issue? If I got fresh gas, compression, spark, timing...what else is there? Would the reeds cause it? Or how about that fuel cut-off switch? 2 - This thing needs a chain and rear sprocket bad. My buddy Danno has some new bulk chain I can use, but where to purchase a decent but inexpensive sprocket? Steel or aluminum? [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
The 1999 YZ250
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