Author Topic: 7/8 11 B.S.F.  (Read 563 times)

Offline tv175

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7/8 11 B.S.F.
« on: 08.09. 2012 07:32 »
   
7/8 11 B.S.F. whether the same thread as the 7/8" x 11 TPI UNC. I need the crankshaft oil plug thread.

Best regards, Tapani

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Re: 7/8 11 B.S.F.
« Reply #1 on: 08.09. 2012 09:40 »

Tapani,
 7/8" BSF is 11tpi @55˚,
 
7/8" UNF is 14tpi @60˚,

 SRM have the socket hex plugs, best option..!
 Cheers duTch
Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy
Australia

Online duTch

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Re: 7/8 11 B.S.F.
« Reply #2 on: 08.09. 2012 09:45 »

Tapani,

 7/8" BSF is 11tpi @55˚, which I'm sure is the plug size.
 
7/8"UNC is 9 tpi  @60˚

7/8" UNF is 14tpi @60˚,

 SRM have the socket hex plugs, best option..!
 Cheers duTch
Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy
Australia