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R72 Gearbox rebuild

26 Jun 2020 23:46 #224045 by SyncroSacha
Hi everyone,
I’m not the most clued up on gearbox rebuilds, but I like to give everything a go if I can.
I’ve taken apart my R72 box, and the bearing on the end of the counter shaft was very well worn but still intact with no bits missing.
Where the bearing sits in the housing, it looks like it has spun a bit. There is no scoring and the bearing still fits snug so I’m not worried about that, just some discolouration. However where the bearing face sits on the housing, there are a few raised bits and little dimples, which could be worn bits of bearing stuck to the face and damage to the face from bearing particles, see the black bits in the pic below.
Does the face of the bearing actually sit up against this housing face? Can I really carefully get this smooth somehow?
Thanks in advance.

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27 Jun 2020 20:06 #224103 by HUN
Replied by HUN on topic R72 Gearbox rebuild
Your question has been already answered in your Facebook post. Yes, yes.

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