Disassemble the crankcase (see Crankcase Disassem-
Using the hand pull out the crankshaft [A] from the right
crankcase half [B].
Apply grease to the outer side of the crankshaft bearings
and use the bearing driver set [C] to face the stepped side
[A] to the engine inside and drive the bearing to the bottom
of the crankcase [B]. While driving the bearing in, make
sure to use a holder to support the boss area.
Special Tool - Bearing Driver Set: 57001-1129
Install the crankshaft to the right crankcase half.
Apply engine oil to the connecting rod big end bearing.
Since assembly of the crankshaft demands exacting tol-
erances, the disassembly and reassembly of the crankshaft
can only be done by a shop having the necessary tools and
If it should be necessary to disassemble the crankshaft,
use a press to remove the crankpin.
Since the assembly of the crankshaft demands exacting
tolerances, the disassembly and reassembly of the crank-
shaft can only be done by a shop having the necessary tools
Reassemble the crankshaft according to the standard tol-
erances in Specifications.
Connecting rod bend, twist
Connecting rod big end radial clearance
Cold-fitting tolerance between crankpin and flywheels
Side clearance between the connecting rod big end and
one of flywheels