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thread size first motion shaft size wanted

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kiwiinwgtn

Post subject: thread size first motion shaft size wanted

Posted: Sun Jul 09, 2017 5:38 pm

1098cc

Joined: Sun Feb 20, 2005 8:11 pm
Posts: 1347
Location: Wellington,

Hi would any on know what size the thread is on the first motion shaft.

It looks like its 13/16 20 tpi just want to be sure

Thanks

Kiwiinwgtn

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drmini in aust

Post subject: Re: thread size first motion shaft size wanted

Posted: Sun Jul 09, 2017 5:41 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39754
Location: near Baulkham Hills, NSW

I will measure in the morning.

_________________
DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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Bill B

Post subject: Re: thread size first motion shaft size wanted

Posted: Sun Jul 09, 2017 9:23 pm

1275cc

Joined: Sat Feb 09, 2013 5:44 pm
Posts: 2236
Location: Camden

Yes.
I measured 0.808 inch (allowing for wear) = 13/16 x 20 tpi is a UNEF thread (extra fine).

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