G.17Part. N. 8000 H1344 (10-2009)
ENGINE OVERHAULING
Connecting rod small end bush replacement
The bush should be replaced using a correct size punch and drift.
Before the assembly, smear the bush outside surface with molybdenum di-
sulde
grease. Insert the bush from the side marked with the elephant and check that
the bush holes coincide with the ones of the rod.
The clearance between the bush and its seat is 0.00138÷0.00366 in. for 310cc
models and 0.00193÷0.00374 for 450-510 cc models. Ream the bush to an
internal diameter “C” as indicated on table.
MODEL INNER DIAMETER "C"
310 16,012÷16,022 mm
(0.6304÷0.6308 in.)
450-510 20,012÷20,022 mm
(0.7879÷0.7883 in.)
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