I would have all the rods rebuilt. This is not expensive and is part of
a properly done overhaul.  All rods are subject to ovaling of the big
end, especially waterboxers according to Bob Donalds, and the small end
bushings can also wear.  Get 'em from Bob, http://bostonengines.com or
have a local machine shop rebuild yours.

PS, Bob also recommends using 1.9 engine rod bolts for all waterboxers,
he doesn't feel the disposable ones used on the 2.1 are up to the task.

Sean Garrett wrote:
>
> Well I scratched one of my rods machined surface (piston end) while tapping
> out the pin. Its not a deep or large scratch. Can this be honed out or do I
> need to replace? If replace then do I have to replace all 4?
>
> Sean
> BTW thanks for replies on cam/crank. Bently covered this well too when I got
> home.
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--
Stuart MacMillan
Manager, Case Program
800-909-8244 ext. 8208

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