Cylinder Head Removal - Polaris RANGER XP 900 2018-2019 Service Manual

ENGINE / COOLING / HVAC SYSTEM
6. Measure camshaft
specifications.
NOTICE
Replace cylinder head if camshaft journal bores are
damaged or if worn past the service limit.
MEASUREMENT
Camshaft Carrier Bore I.D.:
.9055 - .9063" (23.000 - 23.021 mm)
Service Limit:
.9072" (23.044 mm)
7. Calculate oil clearance by subtracting camshaft
journal O. D. s from camshaft carrier bore I. D. s.
Compare to specification.
MEASUREMENT
Calculated Camshaft Oil Clearance:
.0000 - .0026" (0.001 - 0.067 mm)
Service Limit:
.0039" (0.1 mm)

CYLINDER HEAD REMOVAL

NOTICE
The cylinder head can be serviced with the engine
installed in the chassis.
1. Disconnect coolant hose from thermostat housing if
connected.
2. Remove the two outer M6 bolts (A) that retain the
cylinder head (B) to the cylinder.
3. Loosen the six cylinder head bolts (C) evenly 1/8 turn
at a time until all are loose.
3.36
bore and compare to 4. Remove and discard the cylinder head bolts (C).
5. Tap cylinder head lightly with a soft faced hammer
until loose.
Tap only in reinforced areas or on thick parts of the
cylinder head casting.
6. Remove the cylinder head (B) and head gasket (D).
Once the cylinder head is removed, nothing retains the
cylinder to the engine. DO NOT rotate the engine
without using the Cylinder Holding & Camshaft Timing
Plate (PU-50563). Refer to "Cylinder / Piston
Removal"page 3.55 procedure.
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
NOTICE
NOTICE
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