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Tin Primary to Crankcase?

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Tin Primary to Crankcase?


Post by Ripley/Fla » Mon Nov 03, 2008 3:53 am

What is the purpose of the stock set-up that uses the spacer and finger type hold down 'washer'. Vibration? Alignment? Is it supposed to give and save the crankcase when the bike gets dumped? Thanks for any info!

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'64 FLH

Re: Tin Primary to Crankcase?


Post by awander » Mon Nov 03, 2008 3:59 am

My "opinion" is that it allows the tin primary to float a bit, so it doesn;t have to be perfectly aligned. Same thing as the springs on the screws that attach the rear of the primary.


Re: Tin Primary to Crankcase?


Post by Guest » Tue Nov 04, 2008 4:54 pm

the frame flexs a bit, if the primary is bolted ridged it will crack.

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