Remove the camshaft chain tensioner (see Camshaft
Chain Tensioner Removal).
Loosen the M6 and M8 rocker case bolts as shown se-
quence [1 ∼ 6] in the figure, and remove them.
Lift the rocker case [A], and remove the front camshaft
chain guide [B] from the pin of the case.
The cylinder head and rocker case are machined in the
assemble state, so they must be used as a set. Be
careful not to mix them up for front and rear cylinders.
Rear Rocker Case
Cylinder Head Inner Cover (see Cylinder Head Cover
Alternator Cover (see Alternator Cover Removal in the
Electrical System chapter)
Using a wrench on the alternator rotor bolt, turn the crank-
shaft clockwise [A] until the "REAR" mark line (TDC mark
for rear piston) [B] of the alternator rotor [C] is aligned with
the projection [D] of the crankcase.
Remove the spark plug (see Spark Plug Replacement in
the Periodic Maintenance chapter) to turn the crankshaft
If the alternator rotor was removed, perform the next pro-
Install the alternator bolt [A] together with the washer [B]
on the crankshaft temporarily.
ENGINE TOP END 5-19