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9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
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8. Install the upper cam chain guide and the eight bolts
that retain the camshaft carrier. Tighten the bolts
evenly until snug. Do not torque at this time.
9. Install the Cylinder Holding and Camshaft Timing
Plate into the end of camshafts as shown.
Cylinder Holding / Camshaft Timing Plate:
PU-50563
10. Verify cam timing is correct and the piston is a TDC.
NOTICE
For correct sprocket orientation, insure the “I” for intake
on cam and the “E” for exhaust on cam are positioned
as shown. View from mag side.
11. If timing marks are not aligned:
• Remove the Camshaft Timing Plate from the end of
the camshafts.
• Remove the cam carrier bolt and cam carrier.
• Correct the camshaft timing as needed.
• Reinstall the cam carrier.
• Re-check cam timing.
12. Remove the Cylinder Holding & Camshaft Timing
Plate from the end of the camshafts.
Cylinder Holding / Camshaft Timing Plate:
PU-50563
13. If needed, install the camshaft carrier and bolts.
ENGINE / COOLING SYSTEM
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