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3.50
ENGINE
gear.
2. Apply starter drive grease to the drive bushing in the
crankcase and all moving surfaces of the starter drive
mechanism. Install the starter drive.
3. Install recoil housing gasket and recoil housing.
Rocker Shaft/Rocker Arm Assembly
Installation
1. Assemble rocker arms, rocker shaft, and shaft supports.
2. Install and tighten rocker arm shaft locating bolt.
3. Apply starter drive grease to the cam lobes and cam
follower surfaces.
4. Rotate the engine until the cam lobes are pointing
downward.
5. Be sure the dowel pins are in place and install the rocker
shaft assembly.
6. Apply a light film of engine oil to the threads of the bolts
and tighten evenly.
7. Adjust valves according to the valve adjustment procedure
found in Chapter 2, Maintenance.
8. Apply clean engine oil liberally to the valve springs, cam
chain, rocker arms, and camshaft.
9. Place a new rocker cover gasket on the cylinder head and
install the cover and bolts.
Thermostat Installation
Install the thermostat with one of the air bleed holes
positioned next to the upper thermostat cover bolt hole as
shown.
Oil Pipes
Install the oil pipes with new sealing washers. Tighten all
bolts evenly to specified torque.
Starter Drive Grease:
(PN 2871460)
Rocker Shaft Support Tower Bolt Torque:
9 ft. lbs. (12 Nm)
Rocker Shaft Locating Bolt Torque:
6 ft. lbs. (8 Nm)
Apply Starter Drive
Grease to Bushing
Rocker Cover Bolt Torque:
6 ft. lbs. (8 Nm)
Oil Pipe Bolt Torque:
20 ft. lbs. (27 Nm)