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CRANKSHAFT/T RANSMISSION 10-9
Crankcase
Crankcase Disassembly
•
Remove:
Engine (see Engine Removal/Installation chapter)
Starter Motor (see Electrical System chapter)
Oil Filter
Recoil Starter
Cylinder Blocks and Pistons (see Engine Top End chap-
ter)
Intermediate Shaft and Chains (see Engine Top End
chapter)
Right Crankcase Bolt (M6) [A]
Right Crankcase Bolts (M8) [B]
•
Remove:
Shift Shaft Positioning Bolt [A], Washer, Spring, and
Steel Ball
Left Crankcase Bolts (M6) [B]
Left Crankcase Bolts (M8) [C]
•
Wrap the teeth on the sprockets [A] by taping for protect-
ing the bushing in the crankcase.
•
Using the pry points [B], split the crankcase halves.
•
Lift off the left crankcase half.
Crankcase Assembly
CAUTION
The right and left crankcase halves are machined at
the factory in the assembled state, so the crankcase
halves must be replaced as a set.
NOTE
○
Be certain that all parts are cleaned thoroughly before
assembly.
○
Blow through all oil passages with compressed air to
clear any blockage in the crankcase halves and crank-
shaft.
WARNING
Clean the engine parts in a well-ventilated area, and
take care t hat there are no sparks or flame any-
where near the working area; this includes any ap-
pliance with a pilot light. Do not use gasoline or
low-flash point solvents to clean parts. A fire or ex-
plosion could result.