Polaris 2015 RZR 900 - Cylinder Head Removal

3
3.37
9925723 R01 - 2015 RZR 900 Service Manual
© Copyright 2014 Polaris Industries Inc.
5. Temporarily install the camshaft carriers to measure
the camshaft bore. Torque bolts in sequence to
specification. Replace cylinder head if worn.
Camshaft Carrier Bolts:
89 in-lbs. (10 Nm)
NOTE: Replace cylinder head if camshaft journal
bores are damaged or if worn past the service
limit.
Camshaft Carrier Bore I.D.:
0.9055" - 0.9063" (23.000 - 23.021 mm)
Service Limit: 0.9072" (23.044 mm)
6. Calculate oil clearance by subtracting camshaft
journal O. D. s from camshaft carrier bore I. D. s.
Compare to specification.
Calculated Camshaft Oil Clearance:
0.0009" - 0.0028" (.022 - .072 mm)
Service Limit: .0039" (.10 mm)
Cylinder Head Removal
NOTE: 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
1
that retain the
cylinder head
2
to the cylinder.
3. Loosen the six cylinder head bolts
3
evenly 1/8 turn
at a time until all are loose.
4. Remove and discard the cylinder head bolts.
5. Tap cylinder head lightly with a soft faced hammer
until loose.
NOTE: Tap only in reinforced areas or on thick
parts of the cylinder head casting.
6. Remove the cylinder head and head gasket
4
.
NOTE: 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).
xrefRefer to “Cylinder / Piston Removal”.
ENGINE / COOLING SYSTEM