16 ENGINE 122
16.4.6 Changing the conrod bearing (125 Duke)
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– Clamp the connecting rod with soft jaws.
– Remove the nuts 1.
– Remove the conrod bearing cover and crankshaft. Remove the bearing shells.
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– Measure the crank pin diameter.
Guideline
Crankshaft – diameter, crank pin
Crankshaft classification A 25.990… 25.998 mm (1.02323…
1.02354 in)
Crankshaft classification B 25.999… 26.006 mm (1.02358…
1.02386 in)
Info
The crankshaft classification is indicated by marking 2.
– Check the radial play of the lower conrod bearing. ( p. 121)
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– Oil the bearing shells.
– Position the conrod bearing cover according to marking 3.
– Mount and tighten nuts 1.
Guideline
Nut, conrod bearing M7 24 Nm
(17.7 lbf ft)