Quote:
Originally Posted by bob706
08 with around 30k miles. Did a valve shim job using Vex's thread on the subject as a guide. Bike started to my surprise albeit not running really super-duper but it did run. Long story short, I went for a ride days later and it made it 1/4 mile before it died. Have since put a clean carb from an 09 on the bike and still nothing. It's getting spark and puffs of smoke come out the pipe. Is there something I may be missing? Next step for me would be taking the valve cover off and rechecking everything. Any ideas?
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Because it ran for a while, and it didn't change with a different carb, I'm thinking it may be fuel related.
I would drain the tank and refill with fresh 87 just to be sure.
What do the plugs look like?
Is it backfiring into the airbox or popping out the exhaust?
I would also check the battery voltage. It should be 12.7 or more if it's fully charged. An almost-dead battery can create odd running problems.