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Comp Matchless #542444
05/10/14 10:43 pm
05/10/14 10:43 pm
Joined: Jan 2014
Posts: 81
Western Australia
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Max Offline OP
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My latest purchase. 1961 G80CS.
Very rare bike in Western Australia, only ever seen one other in over 40 years. I plan to complete the resto and ride the wheels off it.
Hope the pic works.

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Re: Comp Matchless [Re: Max] #542530
05/11/14 12:04 pm
05/11/14 12:04 pm
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Posts: 4,155
U.S.
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Originally Posted By: Max
My latest purchase. 1961 G80CS.
Congratulations on the purchase. I've covered many miles on a friend's 1960 G80CS and it is a very lovely machine. Lots of power and excellent handling on major highways as well as small single-track roads.

Re: Comp Matchless [Re: Max] #542598
05/11/14 6:55 pm
05/11/14 6:55 pm
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Posts: 2,012
Oztralia
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Rohan Offline
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Resto ?
Looks like with an airfilter connector and timing cover and tank paint job you could ride off into the sunset.

Nice.
Don't overdo it.
One locally ere gets the wheels ridden off it, goes everywhere..

Re: Comp Matchless [Re: Max] #553268
07/16/14 8:50 pm
07/16/14 8:50 pm
Joined: Oct 2007
Posts: 57
long beach, ca
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greg kazen Offline
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She is a beauty! Enjoy.

Re: Comp Matchless [Re: Max] #678930
12/26/16 7:04 am
12/26/16 7:04 am
Joined: Jan 2014
Posts: 81
Western Australia
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Max Offline OP
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I have had this bike for a few years and its finally moved to the front of the resto line.
I will have a lot of queries as I am not familiar with Matchless motorcycles.
So, here we go!

There are a few things that need attention.
Clutch.
The lever could not be depressed so I ended up removing the primary chain case and clutch plates. The clutch looks new, no burring on the basket but the springs are too short. The book says 1 and 7/8 inch with 3/16 tolerance but mine are outside this. New springs needed but where to buy, I wonder? Anyone got an idea.


Valve Lifter.
Can not be activated when piston is coming up on compression. I suspect that the revolving shaft in the rocker box is binding on the rocker arm so the rocker box will have to come off to see what is going on there.

Centre Stand

I am guessing there are supposed to be a couple of bushes fitted in the centre stand?

Various unknown brackets, can anyone identify these?

I hope you all had a Merry Christmas and didnt drink too much.



Last edited by Max; 12/26/16 7:11 am.
Re: Comp Matchless [Re: Max] #678947
12/26/16 12:27 pm
12/26/16 12:27 pm
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Posts: 166
Nova Scotia, Canada
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koncretekid Offline
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Nova Scotia, Canada
I can't remember much from 1966, but this was my first bike. A little worse condition; it was a 1961 G80TCS, indicating the Typhoon model, 600cc. I bought it for $65, fixed it up, learned to ride, broke the crankshaft doing burnouts, rebuilt it again and sold it for $350 to buy a BSA Victor. Lots of fun riding around fields and campus (private) roads!

Tom


Life's uncertain - go fast now!
Re: Comp Matchless [Re: Max] #680124
01/05/17 5:23 pm
01/05/17 5:23 pm
Joined: Apr 2015
Posts: 389
UK
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Dibnah Online content
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Lots of useful AMC info http://www.jampot.com/ club spares also efficient, although delivery might be an issue!

Re: Comp Matchless [Re: Dibnah] #684850
02/13/17 7:22 pm
02/13/17 7:22 pm
Joined: Jan 2014
Posts: 81
Western Australia
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Max Offline OP
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Western Australia
Pictured below, the bottom oil tank mount, there are bits missing, can anyone put me on the right path there? I reckon the upper battery box mount fits to the threaded stud and maybe some sort of large grommet in the tank itself?
The forward cast female threaded boss has me stumped. Wonder what fits there?



There is a similar cast boss on the upper frame, just after it bends down and I am guessing the light switch fits there



Any help would be most appreciated.
Thanks,
Max

Re: Comp Matchless [Re: Max] #684944
02/14/17 8:51 pm
02/14/17 8:51 pm
Joined: Nov 2016
Posts: 1
Berkshire UK
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The triangular steel plates with 3 holes in are the front engine plates. One or both of the other 2 steel plates may be for the light switch. What year is the bike? BTW there is a stepped bush required for each frame tube if you wish to fit a centre stand. And you are correct that the lower oil tank bracket is rubber mounted. Finally the forward facing bosses on the saddle tube are to fit a steel cover but not sure if they were used on the CS singles with left hand oil tank.

Re: Comp Matchless [Re: RalphB] #684946
02/14/17 9:19 pm
02/14/17 9:19 pm
Joined: Jan 2014
Posts: 81
Western Australia
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Max Offline OP
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Originally Posted By RalphB
The triangular steel plates with 3 holes in are the front engine plates. One or both of the other 2 steel plates may be for the light switch. What year is the bike? BTW there is a stepped bush required for each frame tube if you wish to fit a centre stand. And you are correct that the lower oil tank bracket is rubber mounted. Finally the forward facing bosses on the saddle tube are to fit a steel cover but not sure if they were used on the CS singles with left hand oil tank.

Thanks for your reply, the bike is a 1961 model.
I got it started yesterday, after it has been dormant for donkeys years.

Re: Comp Matchless [Re: Max] #685216
02/17/17 3:27 pm
02/17/17 3:27 pm
Joined: Jan 2006
Posts: 6,815
Laredo (South) Texas, USA
GrandPaul Online content
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Very nice bike; nice to know it's running now, too!


GrandPaul (does not use emoticons)
Author of the book "Old Bikes"
Too many bikes to list, mostly Triumph & Norton, some BSA & European
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Re: Comp Matchless [Re: Max] #691599
04/13/17 7:07 pm
04/13/17 7:07 pm
Joined: Sep 2007
Posts: 1,095
Ottawa, Canada
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Max, congratulations on turning up a very worthy find!

Regarding your question about the clutch handlebar lever that will not pull in. Check at the right hand end of the gearbox, remove the round inspection cover, and have a peek at where the inner cable engages the release mechanism. In there, you will see that the clutch cable engages a small "bellcrank" (can't think of a better word for it) that creates the release movement. That bellcrank is located against a roller in the release mechanism, and bears against the clutch push rod.

Sometimes when the clutch cable has been disconnected or similar maintenance is undertaken, the bellcrank will slip out of position. When this has happened, the bellcrank will jam and not move. Remedy is to slacken off the clutch push rod adjustment and pull the bellcrank upward to re-engage it with the roller.

Regarding clutch springs, you should be able to get them from any dealer who stocks parts for early Nortons, because the springs are the same.

Hope this helps,
... Gregg


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Re: Comp Matchless [Re: gREgg-K] #692738
04/22/17 7:53 pm
04/22/17 7:53 pm
Joined: Jan 2014
Posts: 81
Western Australia
M
Max Offline OP
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Western Australia
Originally Posted by gREgg-K
Max, congratulations on turning up a very worthy find!

Regarding your question about the clutch handlebar lever that will not pull in. Check at the right hand end of the gearbox, remove the round inspection cover, and have a peek at where the inner cable engages the release mechanism. In there, you will see that the clutch cable engages a small "bellcrank" (can't think of a better word for it) that creates the release movement. That bellcrank is located against a roller in the release mechanism, and bears against the clutch push rod.

Sometimes when the clutch cable has been disconnected or similar maintenance is undertaken, the bellcrank will slip out of position. When this has happened, the bellcrank will jam and not move. Remedy is to slacken off the clutch push rod adjustment and pull the bellcrank upward to re-engage it with the roller.

Regarding clutch springs, you should be able to get them from any dealer who stocks parts for early Nortons, because the springs are the same.

Hope this helps,
... Gregg

Thanks Gregg, I have sorted out the clutch. Someone had put the wrong springs in there, I got a new set of the correct size, oiled the cable and it works like a new one.

Re: Comp Matchless [Re: Max] #695014
05/13/17 5:50 am
05/13/17 5:50 am
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Posts: 81
Western Australia
M
Max Offline OP
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The G80CS headlight plug (below), is there some sort of securing device to hold the socket into the headlight shell?
[Linked Image]

Re: Comp Matchless [Re: Max] #695132
05/13/17 10:27 pm
05/13/17 10:27 pm
Joined: Jul 2006
Posts: 877
newcastle australia
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Just friction, Max.

Re: Comp Matchless [Re: Max] #714994
11/14/17 7:16 am
11/14/17 7:16 am
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Western Australia
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[Linked Image]

[Linked Image]

Anyone shed any light on what is going on with these front forks? This occurs when the bike is on the centre stand only.

Re: Comp Matchless [Re: Max] #715016
11/14/17 1:11 pm
11/14/17 1:11 pm
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Posts: 3,641
argyll. scotland, uk
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The top shrouds are not fixed to the bottom yoke, The screws probably sheared in the yoke and got painted over, should clang well.
Suggests there is zero or little preload on the springs.


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Re: Comp Matchless [Re: gavin eisler] #715122
11/14/17 10:43 pm
11/14/17 10:43 pm
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Posts: 2,012
Oztralia
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Rohan Offline
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Oztralia
Did the later yokes have those screws ?
I've got some shrouds without any holes

[quote=gavin eislerSuggests there is zero or little preload on the springs.[/quote]

Quite so.
Either the springs are too short, or some spacer(s) have been omitted.

Re: Comp Matchless [Re: Rohan] #715131
11/14/17 11:18 pm
11/14/17 11:18 pm
Joined: Jan 2014
Posts: 81
Western Australia
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Max Offline OP
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Originally Posted by Rohan
Did the later yokes have those screws ?
I've got some shrouds without any holes

[quote=gavin eislerSuggests there is zero or little preload on the springs.


Quite so.
Either the springs are too short, or some spacer(s) have been omitted.
[/quote]
There are no spacers missing, according to the workshop manual.
I cant believe that the upper shrouds are screwed to the bottom fork yoke, there are no holes in the shrouds that I can see.
Which leaves only that the springs are too short.
I would post this on the Matchy forum as well, there is a lot of expertise there, but for some reason I cant log on. have to sort that out as well.

Re: Comp Matchless [Re: Max] #715141
11/15/17 12:19 am
11/15/17 12:19 am
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Oztralia
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Rohan Offline
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Have you pulled the springs out and measured the lengths.
The new lengths are quoted in the Owners manual.

Its quite a common practice to add spacers to make up for any sag in the springs, and add a bit of preload. I recently pulled down a set of forks (not Matchy) and the first thing that came out was the inner race of a bearing - a convenient source of strong hard spacers, perfectly sized - and probably cheaper than buying purpose made ones (?).

Re: Comp Matchless [Re: Rohan] #715147
11/15/17 12:55 am
11/15/17 12:55 am
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Posts: 81
Western Australia
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Max Offline OP
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No, I havent pulled the springs out yet, thats probably the next job.
Where in Aust are you Rohan?

Re: Comp Matchless [Re: Max] #715316
11/16/17 6:43 am
11/16/17 6:43 am
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Oztralia
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Rohan Offline
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The other side, so not much help....

Re: Comp Matchless [Re: Max] #716244
11/22/17 6:33 pm
11/22/17 6:33 pm
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Posts: 92
montreal
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johnnie690 Offline
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montreal
You need to take the legs apart and check to see if the buffer springsP/N 022079 have been installed between the plastic upper bushing and the lower bushing
,it acts as a 'top up" cushion to prevent that "clank".Also the fork shrouds that have the 3 small screws attaching them to the lower triple clamp are used on Ariels.

Re: Comp Matchless [Re: Max] #717259
11/30/17 6:42 pm
11/30/17 6:42 pm
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Posts: 191
Santa Fe, Texas
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bsalloyd Online content

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Since you are restoring this bike did you replace the fork tubes? If so did you compare the tube length to the old one? The original picture before your restoration did not show this issue. Lloyd L


1951 ZB GS
1953 BB GS
1953 Super Flash
1954 Vincent BS
1963 RGS

Re: Comp Matchless [Re: Max] #719451
12/20/17 4:01 am
12/20/17 4:01 am
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Posts: 134
SW Iowa
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Rick T Offline
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I would guess that the buffer springs are missing. The 61 Matchless did NOT use screws to fasten the fork leg covers to the lower tree (some years did but NOT your model). They were held in place by spring pressure. I have NEVER had a matchless fork apart that used spacers of any kind. There were several different spring lengths used by Matchless and someone may have swapped for the wrong springs. It would be very uncommon to have 1 1/14 stanchions that were not standard length, but possible I guess.

I can send some pictures of correct spring placement if needed.

Regards,

Rick T.


1952 Mat G80CS
1953 AJS 18CS
1954 Mat G9B
1954 G80CS
1955 Mat G80CS
1956 AJS 18CS
1957 Mat G80
1957 AJS 30
1958 AJS 18CS
1958 AJS 31CS
1959 Mat G80TCS
1960 Mat G80CS
1961 Mat G12CS
1961 Mat G12
1962 Mat G15/45
1964 Mat G12CSR
1966 Mat G12CSR
1967 Mat G15
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