Polaris R09VA17AA, Service Manual, Page: 88 / 187

3.44
ENGINE
Rocker Arm / Shaft Assembly
1. Apply engine assembly lube to all components and
assemble the arms, shafts and decompression components
into the rocker assembly.
IMPORTANT: Install rocker shafts in their correct
positions. The exhaust side shaft is shorter and is
held in place by the cylinder stud. The intake side
shaft has a ‘half-moon’ section that aligns with the
cylinder stud to hold it in place.
2. Apply engine lube to the shafts and cam follower surfaces.
Rocker Assembly Installation
1. Apply engine lube to all components and assembly arms,
shafts and decompression components of the rocker
assembly.
2. Verify the cam is still in the TDC position before installing
the rocker assembly onto the cylinder studs.
3. Install cylinder head nuts and torque to specification.
4. Torque the cylinder base screws to specification.
5. Adjust valves according to the “VALVE CLEARANCE
ADJUSTMENT” procedures.
6. Install valve cover and secondary air assembly with new
gaskets. Torque bolts to specification.
Intake
Exhaust
= T
Cylinder Head Nut Torque:
18 ft. lbs. (25 Nm)
= T
Valve Cover/ Secondary Air Pipe Bolt Torque:
7-8 ft. lbs. (9-11 Nm)
Torque in 3 step cross pattern
5
6
.
1
2
3
4
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