Polaris RANGER XP 1000 2018-2019, Service Manual

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3
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.
3.89
CAMSHAFT INSTALLATION / TIMING (1000)
NOTICE
If any valve train components were replaced, refer to
“Valve Clearance Adjustment”page 3.93 procedure
prior to this procedure.
1. Rotate the engine until the flywheel Top Dead Center
(TDC) mark
q
is aligned or centered in the
Crankshaft Position Sensor (CPS) mounting hole
w
.
This places the PTO cylinder at TDC for camshaft
installation.
IMPORTANT
DO NOT use the “V” mark located on the flywheel
opposite of the “I” mark. Only the “I” mark should be
used as a TDC reference.
2. Reference the intake and exhaust markings made
during disassembly. If installing new camshafts or if
camshafts were not marked, you can reference the
part number stamped on the end of the shafts and
compare to the electronic parts catalog.
3. Lubricate all camshaft lobes and bearing journal
surfaces with Polaris PS-4 engine oil prior to
installation.
4. Carefully install the camshafts into the cylinder head.
The PTO camshaft lobes
t
should face out as
shown.
5. Carefully install the rear camshaft carriers onto the
camshafts. Carrier openings should face each other
when installed properly.
6. Install the four bolts that retain each rear camshaft
carrier
y
and tighten the bolts evenly until snug.
7. Install the Cylinder Holding & Camshaft Timing Plate
(
PU-50563 ) into the end of camshafts as shown. Use
a 13/16” open-end wrench to rotate camshafts
slightly if needed.
ENGINE / COOLING / HVAC SYSTEM