Puch 1980-1981 Maintenance Manual page 78

ASSEMBLE ENGINE - 2 SPEED
The same procedure should be used for the shimming of the
clutch drum. Shims are available in the size of .024; .031 and
.040 in. (0,60; 0,80 and 1 mm). The correct end-float on both
shafts is only obtained by using a new gasket. End-float is
between .002 - .010 in. (0,05 - 0,25 mm).
, . - . •
905.6.32.1
.i — k r
1
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Place engine in special holder 905.6.36.108.0.
When installing new bearings in clutch cover, heat cover to
appr. 170" F (80° C) and press bearings into place.
Fit new gasket, install both hollow dowels and fit clutch cover
Torque screws to 6 f t lb (8 Nm).
Install drive sprocket on main shaft and replace circlip.
Continue to assemble engine as outlined on previous pages.
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