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by Roger Gwynn
Wed Jun 02, 2021 7:42 pm
Forum: Ariel Talk
Topic: Girder link thread
Replies: 15
Views: 795

Re: Girder link thread

Yes, when the forks hit a bump, not on rebound, not clear, must be clear. I think you will find it is 99.9% so that the cables have a smooth path.
by Roger Gwynn
Wed Jun 02, 2021 7:35 pm
Forum: Four stroke
Topic: A question for VH owners
Replies: 11
Views: 362

Re: A question for VH owners

Hi keith, 928 isn't standard as the MKI concentric was never an original fitment, I have a 28 or 30mm MKII Amal on mine and it runs well but for a long time wouldn't start until I fitted a #50 pilot instead of #30. I don't know what jets you are talking about with those numbers the nearest would be ...
by Roger Gwynn
Wed Jun 02, 2021 7:28 pm
Forum: Ariel Talk
Topic: Hartley info wanted
Replies: 18
Views: 480

Re: Hartley info wanted

Ralph died in 2014 he was a very nice bloke and did a lot of research, in fact the very accurate engine and frame number listing was compiled by Ralph and myself after many years of research. We have copies of the works despatch books because of him. There are people in the club who new hartley and ...
by Roger Gwynn
Tue Jun 01, 2021 11:38 pm
Forum: Ariel Talk
Topic: Girder link thread
Replies: 15
Views: 795

Re: Girder link thread

The original discussion was many years ago and as long as the horn bracket question. The reason they go in that position is to avoid the links hitting the fork blade on full bounce, it is suspected that the chamfer was added when the problem was discovered, I don't know why Ariel didn't make a small...
by Roger Gwynn
Tue Jun 01, 2021 11:33 pm
Forum: Ariel Talk
Topic: Hartley info wanted
Replies: 18
Views: 480

Re: Hartley info wanted

You will find most info in a book called the Ariel Story by his son, Peter Hartley. A pretty dry read but plenty of info and unlike some books out there about 90% accurate. I think the club still has copies available.
by Roger Gwynn
Tue Jun 01, 2021 10:56 pm
Forum: Four stroke
Topic: Gearbox bush question
Replies: 9
Views: 214

Re: Gearbox bush question

They stay in place because the shaft does not move far enough in either direction to allow the rollers to fall out or if it does it will mean that your outer casing has fallen off.
by Roger Gwynn
Mon May 31, 2021 7:27 pm
Forum: Ariel Talk
Topic: Ariel identification, approx 1925
Replies: 15
Views: 731

Re: Ariel identification, approx 1925

The gearbox and front vee rim brake denote a 1923 or 1924, the only difference that I know of between those two is the tank transfer and the one in the pic does not look very original. MS is a Stirlingshire registration used 1903-1930
by Roger Gwynn
Sun May 16, 2021 5:31 pm
Forum: Four stroke
Topic: Side float carburettor
Replies: 16
Views: 708

Re: Side float carburettor

Those bottom nuts can be tight, best to loosen them with the carb bolted to the bike, which is the best way to hold the carb. The jet block should be a light drive fit in the body but can be much tighter, a little heat is better than hitting it and distorting the jet block. Some bikes use the long n...
by Roger Gwynn
Sun May 16, 2021 5:23 pm
Forum: Ariel Talk
Topic: Girder link thread
Replies: 15
Views: 795

Re: Girder link thread

No left hand threads on the forks, one in the engine of singles and FH is all. The thread is 1/2 x 20 CEI as the spindles are 1/2 dia
by Roger Gwynn
Sun May 16, 2021 5:17 pm
Forum: Main Chat Forum
Topic: Single Spares
Replies: 23
Views: 1072

Re: Single Spares

Ariel never built side valves without head gaskets that only applies to ohv singles pre 1952.

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