DISASSEMBLY -- ENGINE REMOVED
the 6 mm upper crankcase half bolts (10).
See Fig. F17.
the engine upside
the oil passage elbow mount screw.
the oil pan Allen
(17) and remove
and its gasket.
and the screen
A. Screen Body
the 6 mm lower crankcase half bolts (19) and
the 8 mm bolts (18)
the 8 mm
in the screen
three 8 mm crankcase bolts evenly into the
provided in the lower crankcase to split the two crank-
case halves apart.
case bolts are removed.
Excessive force can crack the
crankcase, requiring replacement.
A. Screw in 8 mm bolts.
bearing inserts so that they can be reinstalled in
The upper and the lower crankcase halves are
machined at the factory as an
so they must
be replaced together as a
a high flash-point solvent, clean off the mating
surface of the crankcase halves, and wipe
the following items on the lower crankcase
Note the locations of the bearing inserts (4) with
oil grooves and the inserts (5) without oil grooves.
A. Bearing Insert with Oil Groove
B. Bearing Insert without Oil Groove
The oil pump must be removed.
must be in the
figure below shows the neutral detent in the
and the positioning pin in the neutral
The pins of shift forks must be correctly placed in
the grooves of the shift drum
The center groove is
for the main shaft shift fork.
the following items on the upper crankcase half.