Page 177 - Manual Oficina Polaris RS1 2018 e 2019

ENGINE / COOLING SYSTEM

5. Carefully install the rear camshaft carriers onto the 12.Use new camshaft sprocket retaining bolts upon
camshafts. Carrier openings should face each other assembly. Install the top bolt i in each camshaft
when installed properly. sprocket u. Do not torque the bolts at this time.
6. Install the four bolts that retain each rear camshaft
carrier y and tighten the bolts evenly until snug.

3

NOTE
7. Install the Cylinder Holding & Camshaft Timing Plate Use new sprocket retaining bolts upon assembly.
(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 “Camshaft Timing – Quick Reference”).

NOTE
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.

9928689 - 2018 RZR RS1 Service Manual 3.91
© Copyright Polaris Industries Inc.