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 InstallationPremuffler Chamber Installation
Replace the premuffler chamber gasket [A] with a new
one.
Install the premuffler chamber gasket to the premuffler
chamber [B] until it is bottomed so that the chamfer side
faces exhaust pipe [C].
Install the exhaust pipe clamp [D] as shown in the figure.
Insert the projection [E] into ...
Lubrication
It is important to lubricate rotating or sliding parts during
assembly to minimize wear during initial operation. Lubrication
points are called out throughout this manual, apply
the specific oil or grease as specified.
Direction of Engine Rotation
When rotating the crankshaft by hand, the fre ...
Terminal Numbers of ECU Connectors
1. Subthrottle Valve Actuator: Y/BK
2. Subthrottle Valve Actuator: BK/O
3. Unused
4. Front Wheel Rotation Sensor Signal: G/Y
5. Unused
6. Starter Lockout Switch: R/G
7. Gear Position Switch: G/R
8. Crankshaft Sensor (–): BK
9. Power Supply to Sensors: BL
10. Unused
11. Intake Air Pre ...