1954 18S preservation project (with lots of pictures)

Information relating to the Matchless G80 or AJS Model 18 500cc Heavyweight.
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Re: 1954 18S preservation project (with lots of pictures)

Postby ajscomboman » Wed May 01, 2019 5:46 am

The historical cock up has now been rectified and hopefully this time you'll get your plain nuts. Personally I'd turn the nut up the other way on the chaincase steady and leave it. It looks better than the plain nut.

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Re: 1954 18S preservation project (with lots of pictures)

Postby Rob Harknett » Wed May 01, 2019 10:09 am

000004 is a very old part which I believe was first used in the late 1920's by AJS of Wolverhampton, with it's old pt. no. STD 4. I have never seen 000004 listed with the suffix G. In which parts list is this seen ? Quite often when a pt. no. gets suffix it has a meaning which is stated in the parts list. It quite often refers to the parts finish. 000004 is a very common fitting used on many parts of a bike. So always worth ordering a few extra for the spares box. Here's where you need that part on a 54 twin.
Ashampoo_Snap_01 May 2019_10h34m27s_003_.jpg
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Re: 1954 18S preservation project (with lots of pictures)

Postby cfaber » Wed May 01, 2019 3:19 pm

Well, I ordered another seal.. Hopefully it'll take less than a month to arrive this time =)
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Re: 1954 18S preservation project (with lots of pictures)

Postby cfaber » Mon May 20, 2019 3:22 am

Haven't had much time to work on the bike, and I'm still waiting for the correct nuts for the various missing bits, but I did get the new type seal installed...
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I guess it's leaking slower?
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Re: 1954 18S preservation project (with lots of pictures)

Postby Samuel » Fri Sep 27, 2019 9:23 pm

Did it all stop in May ?
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Re: 1954 18S preservation project (with lots of pictures)

Postby cfaber » Sat Sep 28, 2019 3:26 am

Samuel wrote:Did it all stop in May ?

Sort of it's been a busy busy summer for me. New adopted child, promotion at work and my company was sold =) Its funny though that you poke this thread right now because just in the last 2 days I've put some more effort into this bike.

I'm still waiting for my machinist buddy to make me a few parts (I need solder type nipples and oil fittings), but I did finally complete the electrical system and managed to get the new tire on the rear wheel.

Completed getting the rear plate and light finished

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This is how I routed the wiring for the tail light. The wrap you see is self-adhering silicone tape to protect it from abrasion. The wires are neatly tucked into the gutter space on the fender down toward a small opening which the wires routed through. They then went up to a 4 way splitter. Again all points which may see any kind of abrasion are wrapped in this special tape.


There wasn't much in the way of guide lines on how to route the wires for a brake light switch, and apparently even fewer people have this (apparently rare) brake light switch. So I routed it like so.
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There's a small space under the cross bracing which allows for the wire to run through without much trouble, I've "tied" the wire with the same old school strapping. I expect this to get dirty based on where it's at but the wire should do fine, it's marine grade tinned wire and is fuel resistant

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And with all that work
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Hope you guys are all doing well and now that the summer is winding down I'll have more time to mess around with this project :D :beer:
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Re: 1954 18S preservation project (with lots of pictures)

Postby Samuel » Sat Sep 28, 2019 9:21 am

Another great update - I love the way you document everything you do so well.
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Re: 1954 18S preservation project (with lots of pictures)

Postby cfaber » Fri Oct 18, 2019 5:42 pm

Quick update, my machinist buddy was finally able to find some time to build me some custom fittings for the oil lines, so if I have some time this weekend I'll build them and install them on the machine.
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Re: 1954 18S preservation project (with lots of pictures)

Postby cfaber » Sun Oct 27, 2019 3:14 am

Can someone confirm the return / supply ports on the engine. I'm having trouble finding the answer, I've got the lower port, which has the extension union going to the supply side in this picture
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Re: 1954 18S preservation project (with lots of pictures)

Postby Mick D » Sun Oct 27, 2019 5:39 am

Hi

Have you looked in the manual?

54 Manual Oil Feeds.png


Regards Mick
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