3
64mm±0,05 (350cc, 390cc)
65mm±0,05 (430cc, 480cc)
Crankshaft oil passages.
Half shaft and crank lever pin bolt references C.
62
Make sure that the chain control gear is free of
chipping or signs of abnormal wear. Replace the
crankshaft should it be deteriorated.
The distance between the two opposite sides of the
half shafts must be:
If the two half shafts are detached for replacement
C
of the connecting rod, pay close attention when re-
positioning the crank lever respect to the half shaf-
ts. The holes for oil passage A on the half shaft
must coincide with those present on the crank le-
ver B.
Incorrect positioning would cause an irregular oil
flow rate thus damaging the connecting rod head
bearing.
The references C which must be aligned are found
on the half shaft on the flywheel side and on the
crank lever of the pin bolt.
64mm±0,05 (350cc, 390cc)
65mm±0,05 (430cc, 480cc)
A
B