•
Insert three M5 x 72 bolts in the
holes marked "14".
- Slide washers onto the bolts and
screw on the nuts.
•
Turn spindle (1) anticlockwise
until the crankshaft has been
forced out of the deep groove
ball bearing.
•
Crankshaft (1), conrod (2) and
needle bearing form an insepa-
rable unit and must always be
replaced as a complete unit.
- New deep groove ball bearings
and oil seals must also be fitted
when replacing the crankshaft.
•
Carefully drive the oil seals out
of the crankcase.
•
Press the deep groove ball bea-
ring out of its seat with press
arbor (1) 4119 893 7200.
•
Press the deep groove ball bea-
ring out of its seat with press
arbor (1) 4119 893 7200.
- Examine both halves of the
crankcase for cracks and replace
them.
Both halves of the crankcase can
be replaced if the crankcase is da-
maged.
Each half of the crankcase is supp-
lied with fitted deep groove ball
bearing.
If the original crankcase is used
again, remove the gasket residues
and clean the mating surfaces.
The mating surfaces must be ab-
solutely clean to ensure a perfect
seal.
•
Bushings must be present. New
bushings must be driven into the
crankcase if necessary.
- Heat area of bearing seat on
starter side of crankcase to
approx. 120
°
C.
•
Press deep groove ball bearing
into crankcase by hand as far as
possible.
366RA086 VA
366RA091 VA
11
392RA041 VA
11
22
366RA085 VA
366RA090 VA
392RA043 VA
14
14
14
12
4.7.2 Installing the crankshaft
11
366RA087 VA
11
366RA089 VA
20
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