Model 30 fork springs

Information relating to the Matchless G11 or AJS Model 30 600cc twin
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Model 30 fork springs

Postby John Grew » Thu Apr 20, 2017 6:45 pm

Now that I have the AJ on the road , I am inclined to think that the previous owner might have had a chair on it ( I got it in a sack) as it is a very hard ride, Does anybody know the various lengths of solo and S/C springs

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Re: Model 30 fork springs

Postby dave16mct » Thu Apr 20, 2017 6:53 pm

I'm not sure where I got these sizes but for 1 1/4" stanchions, solo: 11.9" x 5.14mm gauge. Sidecar : 12.75" x 5.7mm. Sorry about the mixed measures! Also the rear girlings would have the colour codes : solo: 8" long red/pink/red. Sidecar : 8.4" long Blue /yello/blue.
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Re: Model 30 fork springs

Postby JimFitz » Thu Apr 20, 2017 8:46 pm

Just a thought John - have you got the correct grade of oil in the forks?

Jim
Too old to Rock and Roll but too young to die.

1952 G80 rigid, 1960 G12 DL / Watsonian Monza, 1954 G80S.

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Re: Model 30 fork springs

Postby John Grew » Fri Apr 28, 2017 3:08 pm

Hi Jim.
Thanks for the reply and the sizes I will investigate further when I have chance to.
Back in the days of noah when I worked on these things for a living it was all ways 30 grade in forks so that is what went in this time, but I get you point with all this modern stuff about I could try another.
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Re: Model 30 fork springs

Postby G15 Roy » Fri Apr 28, 2017 6:10 pm

Hi John Seems like your membership has expired.
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Re: Model 30 fork springs

Postby 56G80S » Fri Apr 28, 2017 7:00 pm

Unless my memory fails me John's been a member for so long that his membership number must be a very early one.

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Re: Model 30 fork springs

Postby ajscomboman » Fri Apr 28, 2017 7:13 pm

56G80S wrote:Unless my memory fails me John's been a member for so long that his membership number must be a very early one.

Johnny B


Different John Grew, Mr Banks. The one you're thinking of lives in the East Midlands not Sussex.

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Re: Model 30 fork springs

Postby G15 Roy » Fri Apr 28, 2017 7:46 pm

56G80S wrote:Unless my memory fails me John's been a member for so long that his membership number must be a very early one.

Johnny B


have you ordered that shirt yet.
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Re: Model 30 fork springs

Postby 1608 » Sat Apr 29, 2017 11:18 pm

The different spring lengths etc. are shown in the manual.

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