7
45
Crankshaft and crankcase
Dismantle the sealing rings from the
crankcase halves.
Use a suitable punch or sleeve and knock
out the sealing rings with the help of a
hammer. Do this while the crankcase half
is still warm if possible.
Knock the crankcase half against a
wooden block so that the ball-bearing falls
out.
Knock the crankcase half against a
wooden block so that the ball-bearing falls
out.
Use a suitable punch and hammer if
required.
Inspecting the crankshaft
Inspect the large end of the connecting
rod.
Inspecting the crankshaft
The crankshaft cannot be reconditioned
but must be replaced if it is worn or
damaged.
Inspect the large end of the connecting
rod. If seizure marks, discolouration on
the sides or damaged needle holders are
found the crankshaft must be replaced.
NOTE!
The bearing seating in both
crankcase halves is divided by a
circlip.
Now clean the crankcase halves and
crankshaft.
Inspect the small end of the connecting
rod.
Inspect the small end of the connecting
rod.
If seizure marks or discolouration are
found in the bearing track the crankshaft
must be replaced.
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