Using the pry points, split the crankcase halves.
Pry Point (Front) [A]
Pry Points (Rear) [B]
If the crankcase does not split easily, tap the crankcase
mating surface lightly with a plastic mallet.
Take care not to damage the crankcase.
Lift up the right crankcase half.
The left and right crankcase halves are machined at
the factory in the assembled state, so the crankcase
halves must be replaced as a set.
Refer to the Bearing and Oil Seal Installation for the bear-
ing, outer race and oil seal installation procedures.
With a high-flash point solvent, clean off the mating sur-
faces of the crankcase halves and wipe dry.
Clean the crankcase in a well-ventilated area, and
take care that there is no spark or flame anywhere
near the working area. Because of the danger of
highly flammable liquids, do not use gasoline or low
-flash point solvent.
Using compressed air, blow out the oil passages in the
If the piston oil jet [A] was removed, install it as follows.
Replace the O-ring [B] with a new one.