Camshaft / Camshaft Bore Inspection (1000) - Polaris RANGER XP 900 2018-2019 Service Manual

CAMSHAFT / CAMSHAFT BORE INSPECTION
(1000)
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:
1.5390 - 1.5429" (39.09 - 39.19 mm)
Service Limit:
1.5370" (39.04 mm)
Exhaust:
1.5142 - 1.5181" (38.46 - 38.56 mm)
Service Limit:
1.5122" (38.41 mm)
3. Visually inspect each camshaft journal for scoring,
wear or damage.
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.
ENGINE / COOLING / HVAC SYSTEM
4. Measure the diameter of the camshaft journals using
a micrometer. Compare to specification.
NOTICE
Replace camshafts if damaged or if any part is worn
past the service limit.
MEASUREMENT
Camshaft Journal O.D.:
.9036 - .9055" (22.954 - 22.999 mm)
Service Limit:
.9033" (22.944 mm)
5. Temporarily install the camshaft carriers to measure
the camshaft bore. Torque bolts in sequence to
specification. Replace cylinder head if worn.
TORQUE
Camshaft Carrier Bolts:
7 ft-lb (10 Nm)
3
3.35