Page 181 - Manual Oficina Polaris RS1 2018 e 2019

ENGINE / COOLING SYSTEM

VALVE CLEARANCE ADJUSTMENT 6. Rotate the camshaft until the cam lobes above the
valves you are inspecting are facing up y.
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. 3
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 e should face out as
shown.
7. Measure the valve clearance u using a thickness
(feeler) gauge. Record the measurement if clearance
is out of specification.
8. Repeat steps 6 and 7 until all eight valves have been
inspected.
MEASUREMENT
Intake Valve Clearance (cold):
.006 ± .002" (0.15 ± 0.05 mm)

Exhaust Valve Clearance (cold):
.010 ± .002" (0.25 ± 0.05 mm)

9. If any of the valve clearance measurements are out of
4. Carefully install the rear camshaft carriers onto the specification, remove the camshaft carriers and
camshafts. Carrier openings should face each other camshafts and proceed with this procedure.
when installed properly.
5. Install the four bolts r that retain each rear camshaft NOTE
carrier t and tighten the bolts evenly to specification. If all valve clearance measurements are within
specification, remove the camshaft carriers and
proceed to “Camshaft Installation / Timing”.

TORQUE
Camshaft Carrier Bolts:
7 ft-lb (10 Nm)

9928689 - 2018 RZR RS1 Service Manual 3.95
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