Author Topic: 1950 B31  (Read 193 times)

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DEDGE

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1950 B31
« on: 20 February, 2018, 15:36:41 »
Hi All
More help for my 1950 B31 please.
In one end of the big end crankpin is a grub screw, what does it do and does it need to come out and be cleaned behind.
On the drive side crank shaft is a ball race, spring ring, distance collar, roller race and oil flinger BSA list a engine shaft shim 66-661. Were does this go there wasn't one on there when I stripped it.
All the best
Dedge

JulianS

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Re: 1950 B31
« Reply #1 on: 21 February, 2018, 09:26:15 »
I think the washer goes into the crankcase bearing recess before the ball bearing is inserted.