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9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
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3. Remove the two bolts retaining the fixed cam chain
guide
u
and remove the assembly from the engine.
Inspect the guide for wear and replace if necessary.
4. Remove the remaining six bolts that retain the
camshaft carrier
i
and carefully lift the carrier off the
camshafts.
NOTE
The crankcase has a lower guide to prevent the chain
from falling off the crankshaft.
5. Attach a hook or other tool to the camshaft chain to
prevent it from dropping down into the engine.
6. Mark the intake
o
and exhaust
a
camshafts to
ensure proper assembly.
7. Lift upward on the intake camshaft while rotating it
counter-clockwise. Walk the timing chain off of the
sprocket. Carefully remove the intake camshaft from
the engine.
8. Remove the cam chain from the exhaust camshaft
sprocket
a
and remove the exhaust camshaft from
the engine.
CAMSHAFT SPROCKET INSPECTION
NOTE
Camshaft sprocket removal is not necessary unless the
replacement of the sprockets is required.
Inspect cam sprocket teeth
q
for wear or damage.
Replace timing chain and sprockets as a set if worn or
damaged.
TORQUE
Camshaft Sprocket Bolt:
14 ft-lb (19 Nm)Replace camshaft sprocket bolt if
loosened or removed.
ENGINE / COOLING SYSTEM
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