Gearbox oil quantity '63 G12 Gearbox

Information relating to the Matchless G12 or AJS Model 31 650cc twin
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PeterJCorby
Posts: 37
Joined: Thu Nov 21, 2013 3:05 am
Location: Perth Australia

Gearbox oil quantity '63 G12 Gearbox

Post by PeterJCorby »

Hello Folks,

Anyone know how much oil should be in the AMC Gearbox? My Manual is not clear and suggests 3 pints? Last time I filled it to the little oil level bolt, but given the leaks I have had as per previous posts, I would rather use a more accurate measurement.

Thanks in advance
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ajscomboman
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Joined: Mon Jan 01, 1990 12:00 am
Location: HAMPSHIRE UK

Re: Gearbox oil quantity '63 G12 Gearbox

Post by ajscomboman »

That's why it pissed out. 1 pint is the normal amount or unscrew the level plug behind the kickstarter and fill till it just starts to seep out. Personally I find it easier and cleaner to simply fill the oil till it covers the return spring when viewed through the inspection hole.

3 pints is for the lightweight gearbox where all the cogs are high up in the shell.
Mick D
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Location: Aberdeenshire

Re: Gearbox oil quantity '63 G12 Gearbox

Post by Mick D »

Hi
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Regards Mick
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PeterJCorby
Posts: 37
Joined: Thu Nov 21, 2013 3:05 am
Location: Perth Australia

Re: Gearbox oil quantity '63 G12 Gearbox

Post by PeterJCorby »

Mick D - Thank you for that detail - certainly makes life easier.

AJSComoman.. yeah would seem to be the reason.

Thanks again
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