What goes in here?

Information relating to the Matchless G12 or AJS Model 31 650cc twin
Andy G
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Joined: Mon Jun 01, 2020 9:42 am
Location: Aberdeenshire UK

Re: What goes in here?

Post by Andy G »

Oil Dist Bush.JPG
I have two flats on opposite sides...and a small amount of surface scoring.
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Bombling contentedly around rural Aberdeenshire
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ajscomboman
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Location: HAMPSHIRE UK

Re: What goes in here?

Post by ajscomboman »

They all score up.
JEAN-NOEL
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Location: FRANCE

Re: What goes in here?

Post by JEAN-NOEL »

Hello,
I think there is no problem regarding distributor end float : oïl pressure push it against the exhaust camshaft end. Normaly there is only one flat, not two. Regarding scoring, yes I have noticed this issue on aly distributors. As I have a rev counter, mine is a steel one, and is really smooth. Be aware to use the original copper gasket between crankcase and large chrome cap. If you use none, or a thinner one, the chrome cap rubs against the distributor, and the exhaust camshaft is stuck solid !
Andy G
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Posts: 361
Joined: Mon Jun 01, 2020 9:42 am
Location: Aberdeenshire UK

Re: What goes in here?

Post by Andy G »

Noted and warned! Many thanks.
Bombling contentedly around rural Aberdeenshire
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