Refer to “gearshift shaft / gearshift cam plate removal and installation” .
Gearshift shaft
Check the gearshift shaft for bend or wear.
Check the return spring for damage or fatigue.
If any defects are found, replace the defective part(-s).
Gearshift shaft oil seal
Inspect the gearshift shaft oil seal lip for damage or wear. If any defect is found, replace the oil seal with a new one.
Gearshift shaft bearing
Inspect the gearshift shaft bearings for abnormal noise and smooth rotation. Replace the bearing if there is anything unusual.
DTC “c40” (p0505 / p0506 / p0507): isc
valve circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
C40/P0505
The circuit voltage of motor drive is
unusual.
Isc valve circuit open or shorted to ground.
Air passage clogged.
Isc valve is fixed.
Isc valve prese ...
Exhaust system components
Exhaust pipe gasket
Exhaust pipe assembly
Ho2 sensor
Connector
: install the connector so that the
chamfer side faces backward.
Muffler chamber
Muffler body
Excv cable no. 1
Excv cable no. 2
When loosening or tightening the pulley bol ...
Conrod and crankshaft inspection
Refer to “engine bottom side disassembly” (page 1d-
49).
Refer to “engine bottom side assembly” .
Conrod small end I.D.
Measure the conrod small end inside diameter using the
small bore gauge.
If the conrod small end inside diameter exceeds the
service limit, replace the conrod.
Special ...