Camshaft Sprocket Inspection; Camshaft / Camshaft Bore Inspection (900) - Polaris RANGER XP 900 2018-2019 Service Manual

CAMSHAFT SPROCKET INSPECTION

Inspect cam sprocket teeth
Replace timing chain and sprockets if worn or damaged.
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.
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for wear or damage.
ENGINE / COOLING / HVAC SYSTEM
CAMSHAFT / CAMSHAFT BORE INSPECTION
(900)
Inspect all main journals and cam lobes as described
below and compare to specifications. Replace camshaft
(s) or cylinder head if worn beyond service limit or if any
surface is pitted or damaged.
1. Visually inspect each cam lobe for wear or damage.
2. Measure the height of each cam lobe from the base
circle to highest point on the lobe using a
micrometer. Compare to specification.
NOTICE
Replace camshafts if damaged or if any part is worn
past the service limit.
MEASUREMENT
Camshaft Lobe Height:
Intake: 1.5256" ± .0015" (38.75 ± .040 mm)
Service Limit: 1.5220" (38.66 mm)
Exhaust: 1.4961" ± .0015" (38.00 ± .040 mm)
Service Limit: 1.4925" (37.91 mm)
3. Visually inspect each camshaft journal for scoring,
wear or damage.
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