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I just rebuilt a 650sx jet ski and I not sure if the timing is right. The engine starts good but during idle the engine lunges. Does this indicate the engine is firing late? If I use a timing light is this reading the front cylinder? How do I hook up the timing light? Jeff
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Re: timing
If it is reving up at idle on its own then it has an air leak some place in the crank case.SBT Tech Support is here to help with your problems.
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Re: timing650sx jet ski
Thanks for the reply. I just did an engine exchange and my engine is lunging not revving. By lunging I mean the engine sounds strong similar and is a constant rum, rum, rum. It starts great and runs good just under powered. I have read the manual on how to time the engine. Can you tell me where I can get more information on timing this engine? JeffComment
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Re: timing
The best I can say is to set it in the center of the slots.Last edited by Technical Support; 04-02-2010, 02:18 PM.SBT Tech Support is here to help with your problems.
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Please do not use Private Messaging for Tech Support, use the forums.Comment
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