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Everything Dirt Bike
Make / Model Specific
Yamaha
Gettin pissed off
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<blockquote data-quote="2strokesteve89" data-source="post: 202248" data-attributes="member: 1670"><p>Paw Paw had some valid questions, it would be wise to check the basic condition of the engine first, check compression and when you find its low as I expect you will, perform a cylinder leak down test preferably with a leak down gauge that shows you the percentage of cylinder leakage, however you can just pump shop air into the cylinder and see where it blows out also....thru the crank case, rings....thru the exhaust or intake, valves either out of time, misadjusted, bent or just a bad seat or valve face. Take the time to do a couple basic tests and it will point you in the right direction.</p></blockquote><p></p>
[QUOTE="2strokesteve89, post: 202248, member: 1670"] Paw Paw had some valid questions, it would be wise to check the basic condition of the engine first, check compression and when you find its low as I expect you will, perform a cylinder leak down test preferably with a leak down gauge that shows you the percentage of cylinder leakage, however you can just pump shop air into the cylinder and see where it blows out also....thru the crank case, rings....thru the exhaust or intake, valves either out of time, misadjusted, bent or just a bad seat or valve face. Take the time to do a couple basic tests and it will point you in the right direction. [/QUOTE]
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Everything Dirt Bike
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Yamaha
Gettin pissed off
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