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9.
Crankshaft.Iransmisslon
Service Information
Troubleshooting
Crankcase SeparatíonlAssembly
Service Information
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9-2
Transmission Rernoval/lnstallation
T ransrnission Disassembly
I
Assernblv
Crankshaft Hernoval/lnstallation
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9-6
This section covers crankcase separation in order to service the crankshaft and transrnission:
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The following parts mustbe removed before separatinq the crankcase.
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Alternator (Section 13)
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Clutch/gearshift Iinkage (Section 8)
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Cylinder head/cylinder/piston (Section 7)
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Engine (Section 6)
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Oil pump (Section 4)
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Starter motor (Section 15)
·0·
•
Mark and store the bearing inserts to be sure of their correct locations for reassernblv. If the inserts are improperly installed
they will block the oil holes, causing insufficient lubrication and eventual engine seizure. .
.
Troubleshooting
Excessive Noise
•
Worn connecting rod big-end bearing
Sent connecting rod
Worn crankshaft main bearing
Worn transmissionbearing
Hard To Shift
Improper clutchoperation
Incorrect .engine oil viscosity
Incorrect clutchadjustment
Bent shift fork
Bent fork shaft
Sent fork claw
Damaged shift drum cam grooves
Bent shift spindle
'\
Transmission Jumps Out Of Gear
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Worn gear dogs or slots
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Sent fork shaft
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Broken shift drum stopper
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Worn or bent shift forks
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Broken shift Iinkage return spring
Engine Vibration
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Excessive crankshaft runout
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Loose engine mount bolts
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