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9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
© Copyright Polaris Industries Inc.
3.135
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.
8. Verify the TDC mark on the flywheel is still properly
aligned (see Step 1).
9. Pull cam chain upward, making sure it is engaged
with the drive sprocket on the crankshaft.
10. While lifting the cam chain up, engage the cam
sprockets into the chain with the “I” and “E” marks
facing out.
11. Install the sprockets onto the camshafts and align
the sprocket marks with the valve cover gasket
surface (see Chapter 3 – Camshaft Timing - Quick
Reference page 3.138).
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.
12. Use new camshaft sprocket retaining bolts upon
assembly. Install the top bolt
i
in each camshaft
sprocket
u
. Do not torque the bolts at this time.
NOTICE
Use new sprocket retaining bolts upon assembly.
ENGINE / COOLING SYSTEM
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