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2007 sportsman 500 EFI crankcase seal

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Old 01-16-2010, 08:08 PM
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Default 2007 sportsman 500 EFI crankcase seal
Does anyone know how to check for a leaking crankshaft seal. I think it may be sucking air by, but not sure how to check. Thanks in advance for any help you may be able to provide.
 
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Old 01-17-2010, 06:54 AM
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a riskey way is to srapy starting fluid down behind the primary clutch(or take it off)onthe crank seal to see if the idle raises up when the bike running. if it does you have a leak. imo
 
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Old 01-17-2010, 07:39 AM
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Does the mag side of the crankshaft ever bother or is it most generally the primary clutch side.
 
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Old 01-17-2010, 10:35 AM
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Originally Posted by mpolaris111
Does the mag side of the crankshaft ever bother or is it most generally the primary clutch side.
The only problems I've had on the 4-stroke 500 seals is on the clutch side,usually distort or even pop completely out. OPT
 
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