SOHC.co.uk Forums > CB750

bearing shells

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Sesman:
It tells me your big ends are fooked!

Bryanj:
Not necessarily, the clearance is less than 7 thou but until the correct stuff is used we dont know the clearance.

You need to used Red plastigauge not green

McCabe-Thiele (Ted):
The wider the squash the tighter the bearing clearance.

K2-K6:
Looks approx 3 1/5 thou (0.088 mm) from that assessment.

McCabe-Thiele (Ted):
Iirc the Plastgauge I used was in a green package.
It was marked as 0.001-0.003".
0.025 - 0.076 mm.

Not sure if that is correct for your engine. Someone here will correct me if I'm mistaken.

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