Quote:
Originally Posted by shawn.m
if you disconnect the air hose from the air box to the carb. it might start but it will not run good. the yamahas are jetted very lean and do not like air leaks.
pull the spark plug put it in the wire and then turn the cart over. check to see if it has spark.
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Have you ever spent the money on a new "TCI" unit ? "Jump" that spark one time and you could be buying another one. Get a "dynamic" spark tester. If you disconnect the air box hose at the carb and it runs better...you have an airbox sealing problem.