Valve Clearance Adjustment - Polaris RANGER XP 1000 2018 Service Manual

VALVE CLEARANCE ADJUSTMENT

NOTE
Always inspect valve clearance prior to camshaft
installation or final engine assembly.
1. Reference the camshaft 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.
2. Lubricate the camshaft bearing journal surfaces with
Polaris PS-4 engine oil prior to installation.
3. Carefully install the camshafts into the cylinder head.
The PTO camshaft lobes
shown.
4. Carefully install the rear camshaft carriers onto the
camshafts. Carrier openings should face each other
when installed properly.
r
5. Install the four bolts that retain each rear camshaft
t
carrier and tighten the bolts evenly to specification.
TORQUE
Camshaft Carrier Bolts:
7 ft-lb (10 Nm)
9928487 R01 - 2018 RANGER XP 1000 Service Manual
© Copyright Polaris Industries Inc.
6. Rotate the camshaft until the cam lobes above the
e
should face out as
7. Measure the valve clearance
8. Repeat steps 6 and 7 until all eight valves have been
9. If any of the valve clearance measurements are out of
ENGINE / COOLING / EXHAUST
valves you are inspecting are facing up
(feeler) gauge. Record the measurement if clearance
is out of specification.
inspected.
MEASUREMENT
Intake Valve Clearance (cold):
.006 ± .002" (0.15 ± 0.05 mm)
Exhaust Valve Clearance (cold):
.010 ± .002" (0.25 ± 0.05 mm)
specification, remove the camshaft carriers and
camshafts and proceed with this procedure.
NOTE
If all valve clearance measurements are within
specification, remove the camshaft carriers and
proceed to "Camshaft Installation / Timing".
y
.
3
u
using a thickness
3.81