Polaris R09VA17AA, Service Manual

Page: 89 / 187

3.45
ENGINE
3
Cam Chain Tensioner Installation
1. Using a small flat blade screwdriver, turn the tensioner
clockwise to retract the plunger (B) all the way into the
tensioner body.
2. Keeping the plunger retracted, install the tensioner
assembly with a new gasket and tighten the bolts to
specification.
3. Release the tensioner and install the tensioner cap. Torque
cap to specification.
4. Slowly rotate engine two to three revolutions and re-check
cam timing once chain is tight.
Intake Valve Clearance Adjustment
1. Remove the valve cover and secondary air pipe assembly.
2. Verify cam lobes are pointed down.
3. Insert the correct thickness feeler gauge between end of
intake valve stem and adjuster screw.
4. When clearance is correct, hold adjuster screw and tighten
locknut securely.
5. Re-check the valve clearance.
6. Repeat adjustment procedure if necessary until clearance is
correct with locknut secured.
Exhaust Valve Clearance Adjustment
1. Remove the valve cover and secondary air pipe assembly.
2. Verify cam lobes are pointed down.
3. Insert the correct thickness feeler gauge between end of
exhaust valve stem and adjuster screw.
4. Loosen locknut and turn adjuster screw until there is a slight
drag on feeler gauge.
5. When clearance is correct, hold adjuster screw and tighten
locknut securely.
6. Re-check the valve clearance.
7. Repeat adjustment procedure if necessary until clearance is
correct with locknut secured.
= T
Tensioner Bolt and Cap Torque:
5-7 ft. lbs. (7-9 Nm)
B
A
= In. / mm.
Valve Clearance:
.003” (.07 mm)
= In. / mm.
Valve Clearance:
.003” (.07 mm)
PartShark.com
877-999-5686