Puch 1980-1981 Maintenance Manual page 68

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ASSEMBLE ENGINE - 2 SPEED
Right hand crankcase half:
Install crankshaft seal with the sealing lip facing the clutch
side using special tool no. 905.6.33.112.1 in order to prevent
obstruction of the main bearing lubricating hole.
INSTALL CRANKSHAFT
Before installing the clutch side bearing fit a .004in. (0,10 mm)
shim.
Press on the clutch side inner bearing race. To install, use
special sleeve 905.6.33.111.2 and the special plate
905.0.33.104.1 between the two crankshaft webs. When press-
ing on the bearing race, the bearing identification marks
should be located outboard.
Crankshaft end-float .002 - 006 in. (0,05 - 0,15 mm).
Insert the crankshaft, with bearing pressed into position, in
the right crankcase half, and locate a new gasket in position
over the hollow dowels. When installing the crankshaft use
installation sleeve no. 905.6.31.108.1 to avoid damage to the
lips of the seal.
NOTE:
It is very important to use a new and genuine gasket,
or correct end-float measurements are not obtainable.
- 6 9 -

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