G80 Clutch Centre Seen Better Days!

Information relating to the Matchless G80 or AJS Model 18 500cc Heavyweight.
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Re: G80 Clutch Centre Seen Better Days!

Postby Duncan » Mon Sep 24, 2018 9:03 pm

John, that is a very shiny clutch centre is made from alloy? If so would a reduced lip have sufficient strength?

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Re: G80 Clutch Centre Seen Better Days!

Postby Iron Head » Tue Sep 25, 2018 8:20 am

Hi Andy hear what you are saying about the length of the rollers. I have mic’ed mine and they are all at 0.2495” diameter x (from memory) 0.230” long and in good condition so are probably going back in.

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Re: G80 Clutch Centre Seen Better Days!

Postby Pharisee » Tue Sep 25, 2018 8:38 am

Duncan wrote:John, that is a very shiny clutch centre is made from alloy? If so would a reduced lip have sufficient strength?


No, not alloy. It's plated steel.

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Re: G80 Clutch Centre Seen Better Days!

Postby Iron Head » Thu Oct 04, 2018 1:49 pm

Just a quick update NVOS (new very old stock!) and nice and greasy centre which I suspect is WD G3L has just arrived from the Netherlands and will soon be installed. Also now have the correct tab washer and a clutch holding tool.

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Re: G80 Clutch Centre Seen Better Days!

Postby 1608 » Thu Oct 04, 2018 3:39 pm

See my mod for wobbly/poor fitting clutch centre, under tech articles. This also acts as additional locking for the centre nut.

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Re: G80 Clutch Centre Seen Better Days!

Postby Pharisee » Thu Oct 04, 2018 4:04 pm

1608 wrote:See my mod for wobbly/poor fitting clutch centre, under tech articles. This also acts as additional locking for the centre nut.


I like it... Unfortunately, since I retired, I have no facilities to make something like that any more. Have you considered knocking up a few for sale?

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Re: G80 Clutch Centre Seen Better Days!

Postby SPRIDDLER » Thu Oct 04, 2018 4:12 pm

Iron Head wrote:Hi Andy hear what you are saying about the length of the rollers. I have mic’ed mine and they are all at 0.2495” diameter x (from memory) 0.230” long and in good condition so are probably going back in.

You probably realise this but the rollers only 'roll' when the clutch is free (disengaged) so they get very little wear.
I poke badgers with spoons.

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