> >>I am in the process of assembling a u20. I had the crank ground and
> >installed
> >>new crank bearings. The clearance is .025mm. The manual I have gives a
> >>minimum clearance of .020mm. The problem I've got is that it is
> impossible
> >to
> >>turn the crank over by hand with a big breaker bar. Is .025mm too
tight?
Since we're talking clearance, doesn't bigger mean looser?
> >The
> >>crank was checked and straightened. I tried using moly assembly lube
and
> >when
> >>it wouldn't turn over I tried Dexron. Any suggestions? Should I try to
> >break
> >>it in some by turning it with the caps not torqued down tight?
> >>
> >>Thanks,
How about the rope rear seal. If not prepared properly it will clamp the
crank real hard when you torque up that rear main cap. Just a thought. Try
it without the seal and see what happens.
Tom P
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