English – 53
Repair instructions
Crankshaft bearings – replacement
CS 2156, CS 2159
If the crankshaft bearings are to be replaced they
must be pulled off the crankshaft using puller 504
90 90-02. The new bearings must be shrunk-fi t into
the crankcase using a hot air gun. Heat the crank-
case half to around 130°C and fi t the new bearing.
The new bearings must be shrunk-fi t into the
crankcase using a hot air gun.
Cleaning and inspection
Clean and inspect all parts carefully.
Sealing ring – replacement
Remove the sealing ring from the crankcase using
a small screwdriver.
NOTE!
Take care to avoid damaging the crank-
case.
To fi t the sealing ring use the sleeve that is sup-
plied with 502 50 30-16.
The end with the half moon is used for the sealing
ring on the clutch side, which must be fi tted fl ush
with the surface of the crankcase.
The other end of the sleeve is used to fi t the seal-
ing ring on the fl ywheel side and ensures that the
sleeve is fi tted at the correct depth, 1.8 mm.
Lubricate the sealing rings with oil.
Crankshaft bearings CS 2141, CS 2145,
CS 2150 – replacement
Remove:
• The crankshaft complete from the crankcase,
see page 47.
1
Pull off the crankshaft bearing from crankshaft.
2
Fit a new bearing on the crankshaft.
Crankcase and crankshaft –
reassembly CS 2147, CS 2149, CS 2152
1
Hold the clutch side of the crankcase in a vice. Pull
the crankshaft into its bearing using assembly tools
502 50 30-18.
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