6-23.3. CAMSHAFT AND BALANCE SHAFT - MAINTENANCE INSTRUCTIONS
INSTALLATION - FLYWHEEL HOUSING AND MARINE GEAR REMOVED
a. Insert the front end of the cam-
shaft into the opening opposite
the blower side of the engine.
Push the camshaft into the
cylinder block until the camshaft
gear teeth almost engage the
teeth of the idler gear. Use
care when installing the camshaft
to avoid damaging the cam lobes.
The right hand gear (viewing the engine from the flywheel end) whether it is attached to
the cam or balance shaft has left-hand helical teeth.
b. Align the timing marks on the
mating gears as shown below, and
slide the camshaft gear in place.
Gear Train and Timing Marks - Right Hand Rotation Engines.