Quote:
Originally Posted by filop
if its like that they r right .dont understand hy its like that the rpm jump up like its going to blow
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If the engine's screaming from the moment it starts, then it implies that the throttle is not closed. That could mean that the butterfly is not closed properly... or there's air leaking in somewhere... through the carb manifold, the rotary valve cover, the crankcase halves seal, the oil seal, the barrel to crankcase seal etc... It could also imply there's a crank or leak of other sort in the carb body. Something's leaking !