3.50
9928491 R04 - 2017-2018 RZR XP Turbo / XP4 Turbo Service Manual
© Copyright Polaris Industries Inc.
4. Remove the remaining two bolts that retain the front
camshaft carrier
y
and carefully lift the carrier off the
camshafts.
5. Hold camshafts
u
with an open-end wrench , and
remove the top bolt
i
from each camshaft sprocket.
6. Rotate the engine to allow access to the remaining
bolt on each camshaft sprocket.
7. Remove the remaining bolt from each camshaft
sprocket.
8. Lift the chain and sprockets off the camshafts to allow
each sprocket to be removed.
9. Using a paperclip or other tool, hold cam chain up.
NOTE
The crankcase has a built-in lower guide to prevent the
chain from falling off the crankshaft.
10.Evenly loosen the four bolts retaining each rear
camshaft carrier
o
and carefully lift the carriers off
the camshafts.
11. Mark the intake
a
and exhaust
s
camshafts to
ensure proper assembly.
12.Carefully remove camshafts from the cylinder head.
CAMSHAFT SPROCKET INSPECTION
Inspect cam sprocket teeth for wear or damage
q
.
Replace timing chain and sprockets if worn or damaged.
CAMSHAFT / CAMSHAFT BORE
INSPECTION
Inspect all main journals and cam lobes as described
below and compare to specifications. Replace camshaft
(s) or cylinder head if worn beyond service limit or if any
surface is pitted or damaged.
1. Visually inspect each cam lobe for wear or damage.
NOTE
Replace camshafts if damaged or if any part is worn
past the service limit.
ENGINE / COOLING SYSTEM