Polaris RANGER XP 900 2018-2019 Service Manual page 165

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
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
r
carrier and tighten the bolts evenly until snug.
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.
7. Install the Cylinder Holding & Camshaft Timing Plate
e
should face out as
8. Verify TDC mark on the flywheel is still properly
9. Pull cam chain upward, making sure it is engaged
10. While lifting the cam chain up, engage the cam
11. Install the sprockets onto the camshafts and align the
ENGINE / COOLING / HVAC SYSTEM
(PU-50563) into the end of camshafts as shown. Use
a 13/16" open-end wrench to rotate camshafts slightly
if needed.
aligned (see Step 1).
with the drive sprocket on the crankshaft.
sprockets into the chain with the "I" and "E" marks
facing out.
sprocket marks with the valve cover gasket surface
(see sprocket timing illustration).
NOTICE
Intake cam sprocket should have "I" marks aligned with
gasket surface and the exhaust cam sprocket should
have "E" marks aligned with gasket surface.
Install the exhaust cam sprocket first (opposite the cam
chain tensioner) to ensure proper cam timing.
3
3.85