oilpump tunnel cap G2/G5

Information relating to the Matchless G2 or AJS Model 14 250cc Lightweight
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Joined: Fri May 19, 2006 6:41 pm
Location: SWITZERLAND

oilpump tunnel cap G2/G5

Postby Philip » Wed May 24, 2006 7:52 am

The screwed in cap closing the oil pump tunnel to the rear on my G5 is not coming off. I have gone so far as to use an air impact wrench with no result. I am afraid to damage the case if more force is applied. this cap does not have any mechanical function, simply close and seal with an o-ring the oil pump housing. Any help is highly appreciated, thanks, Philip.

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Joined: Fri Aug 20, 2004 12:00 am
Location: CHESHIRE UK

oilpump tunnel cap G2/G5

Postby alan » Wed May 24, 2006 11:54 am

hi philip,
cant see an easy way of doing this, has yours just got the slot in the centre for a large screwdriver? if so can you maybe as a last resort put a good pair of molegrips on it?
give it a few knocks first with a mallet, do you really want it off if its not leaking?
regards, alan

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Location: USA

oilpump tunnel cap G2/G5

Postby Don Madden » Wed May 24, 2006 4:45 pm

Inlist Lucifer's aid but don't melt the case.
Cheers, Don.

Posts: 2
Joined: Fri May 19, 2006 6:41 pm
Location: SWITZERLAND

oilpump tunnel cap G2/G5

Postby Philip » Thu Jun 08, 2006 5:53 am

thanks for the input, I have tried everything possible now up to using a chisel. The only result is that the screw does move about 2 mm on its outer perimiter and then locks again tightly. Is it really a normal thread type screw (it must be) or maybe a left hand thread? It does leak and the case needs to come apart to fix other things.
Regards
Philip

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