1. See Figure 3-15. Insert the blade of a small screwdriver into tab (1) of spring cap retainer. While pushing down on spring cap (2), rotate bottom of screwdriver toward outboard side to remove. Repeat step on second pushrod cover.
2. Collapse upper and lower pushrod covers.
NOTE
Do not attempt to rotate the crankshaft by placing a socket on the crankshaft or compensating sprocket bolt.
3. When removing the rocker arm support plate, both lifters must be on the base circle (lowest position) of the cam.
Rotate the crankshaft using one of the methods presented below.
a. With primary cover installed: Remove spark plugs.
With the rear wheel raised, place the transmission in sixth gear and rotate rear wheel backward until the base circle is found.
b. With primary cover removed: Remove spark plugs.
Place the transmission in neutral. Using a large socket on the compensating sprocket retainer, rotate counterclockwise until the base circle is found.
c. See Figure 3-16. With engine mounted in engine stand: Install CRANKSHAFT ROTATING WRENCH
(Part No. HD-48283) on sprocket shaft and rotate counterclockwise until the base circle is found.
4. Rotate engine until piston is at TDC of compression stroke.
NOTE
Breather baffle assembly is manufactured with gaskets attached. Any time the breather is disassembled, the baffle assembly must be replaced with a new assembly.
5. See Figure 3-17. Remove breather assembly (arrow) and filter element from the rocker arm support plate. For inspection and repair information, see 3.19 BREATHER ASSEMBLY.
6. Loosen the four rocker arm support plate bolts 1/4 turn at a time in the sequence shown. Remove the rocker arm
support plate bolts with flat washers.
7. Remove the rocker arm support plate assembly. For inspection and repair information, see 3.20 ROCKER ARM
SUPPORT PLATE.
8. See Figure 3-18. Remove and discard breather O-ring from rocker housing.
NOTE
If the other cylinder also requires service, find the cam base circle for that cylinder before disassembling.
Leave a Reply