5 - 43
Check:
• Any breakages or excessive clearance on the connecting
rod (5) and the big end bearing shells (8) Fig. A.
If replacing the connecting rod, check the class of origin marked
on the head.
Measure:
• It is also necessary to measure the inner dimensions of the
big end and check for any anomalies with the relevant tool,
commercially available Fig. B. Before measuring, assemble
the big end, tightening the fastening screws to the following
torque:
T
.
R
.
Torque 25 N*m
• It is also necessary to measure the dimensions of the small
end and check for any anomalies with the relevant tool,
commercially available Fig. B.
Item Reference size
Steering head Ø 32.6 mm (0.0/ 0.1)
Small end Ø 16.6 mm (0.0/ 0.1)
Before installing the bushings (8) of the big end, measure them
with a specifi c micrometer, see Fig. C.
A
8
5
B
C
CRANKCASE
CHECK OF CONNECTING ROD AND CONNECTING ROD BEARING SHELLS
COPY - Moto GB - Grant Martland - grantmartland@motogb.co.uk
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