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9850067 R01 - 2020-2021 GENERAL / GENERAL XP Service Manual
© Copyright Polaris Inc.
• Broken or damaged flywheel, starter motor gear, or
starter motor drive could sound like engine
cranking but crankshaft may not be turning.
• Unusual noise could suggest that there may be a
mechanical engine concern. Proceed to step
f
11. Check ECU and connections.
• ECU could be faulty causing concern.
• Check ECU for power and grounds to make sure that
computer is turning on.
12.If all previous checks pass, concern may be caused
by internal engine issue.
• Refer to Cylinder Leakdown Test.
• Previous testing may be caused by or lead to
replacement of one or more of the following:
– Cylinder head gasket leak
– No valve clearance (cam wear)
– Cylinder or piston worn
– Piston rings worn, leaking, broken, or sticking
– Bent valve or stuck valve
– Valve spring broken or weak
– Valve not seating properly (bent or carbon
accumulated on sealing surface)
– Rocker arm sticking
GENERAL INFORMATION
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