NOTE
If the crankshaft is replaced with a new one, refer to the Connecting Rod Big End Bearing/Crankshaft Main Bearing Insert Selection in the Specifications.
NOTICE
If the crankshaft, bearing inserts, or crankcase halves are replaced with new ones, select the bearing inserts and check clearance with a plastigage (press gauge) before assembling engine to be sure the correct bearing inserts are installed.
Turn the oil groove side of the thrust washer to the crankshaft.
NOTE

Front [D]
Connecting Rod Removal
Crankshaft Removal
Connecting Rod InstallationWater Pump Housing Disassembly
NOTICE
Do not damage the hole wall of the water pump
housing.
Insert a bar [A] into the pump housing [B], and hammer
evenly around the circumference of the mechanical seal
bottom [C].
Take the oil seal [A] out of the housing [B] with a hook [C].
...
Passenger’s Seat Removal
Remove the passenger’s seat by inserting
the ignition key into the seat
lock, and turning it clockwise.
A. Seat Lock
B. Ignition Key
C. Passenger’s seat
D. Pull up
NOTE
When removing the passenger’s
seat, pull it up while turning the key. ...
Crankcase Assembly
NOTICE
The upper and lower crankcase halves are machined
at the factory in the assembled state, so the
crankcase halves must be replaced as a set.
With a high flash-point solvent, clean off the mating surfaces
of the crankcase halves and wipe dry
WARNINGGasoline and low flash-poin ...