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Checking the crank?

Started by Tommo, September 07, 2025, 10:23:41 AM

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Tommo

I have an R5 motor torn down and want to measure it to see if it's in spec before doing anything else.
I have v blocks, dial indicators, feeler gauges etc but idk what am I looking for?

1976RD400C

That info is in the back of the service manual although this one has the A and F measurement reversed.
'76 RD400 green  '76 RD400 red   '84 RZ350