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Re: GS oval flywheels [Re: BritTwit] #594805
04/13/15 6:03 pm
04/13/15 6:03 pm
Joined: Feb 2011
Posts: 3,412
Orygone
Boomer Online content

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Orygone
That looks like that's only one of several mods made to that crank.


Bill B...


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Re: GS oval flywheels [Re: BritTwit] #594847
04/13/15 10:53 pm
04/13/15 10:53 pm
Joined: Sep 2001
Posts: 2,787
Comox BC Canada
G
Gordo in Comox Offline
BritBike Forum member
Gordo in Comox  Offline
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G
Joined: Sep 2001
Posts: 2,787
Comox BC Canada
Tim: That is the nicest B31 crank I have ever seen. The originals are pretty crude.

Gordo


Without frequent roadside repairs there is no fun in riding!
Re: GS oval flywheels [Re: BritTwit] #595460
04/18/15 11:50 am
04/18/15 11:50 am
Joined: Sep 2008
Posts: 129
Devon, UK
Tim Lynch Offline
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Tim Lynch  Offline
BritBike Forum member
Joined: Sep 2008
Posts: 129
Devon, UK
Gordo,

This is a modified M20 timing shaft in my Jabsa engine for oil seal in timing cover.
As M20 has 2 main bearings on timing side, shaft is longer than B31/33/Goldies and so can be turned back to give the oil feed tit integral with timing shaft.


[img:right][/img]

This is the crank.

[img:right][/img]


1949 BSA M33
1952 JABSA 652 Sprinter
2009 Honda VFR 800
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