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by paul.jameson
Fri Dec 20, 2019 8:38 pm
Forum: Four stroke
Topic: 1958 Square 4 cylinder head problem
Replies: 19
Views: 875

Re: 1958 Square 4 cylinder head problem

This is a standard MkII head problem. The standard solution is top hats.
by paul.jameson
Mon Dec 16, 2019 10:02 pm
Forum: Four stroke
Topic: Excess oil to top end - MK1
Replies: 6
Views: 380

Re: Excess oil to top end - MK1

Ariel mucked about with the oil feed studs on the KH in later years and ended up issuing a Service Bulletin as a basic admission that it would have been wiser to leave well alone. You may well have a KH stud there.
by paul.jameson
Mon Dec 16, 2019 9:58 pm
Forum: Four stroke
Topic: LAYSHAFT BUSH replacement
Replies: 12
Views: 606

Re: LAYSHAFT BUSH replacement

Gearbox housing in the (AGA) oven, bushes in the freezer, line them up and drop them in.
by paul.jameson
Mon Dec 16, 2019 9:56 pm
Forum: Four stroke
Topic: Gearbox and clutch questions
Replies: 8
Views: 570

Re: Gearbox and clutch questions

The Square Four mainshaft is 3/16" longer than the singles one, from memory. Check that the splines on the clutch end are the same length. Longer clutch splines came in in 1948 and mixing pre and post 1948 gears and shafts is a recipe for disaster. The short clutch spring cups are correct. The ...
by paul.jameson
Mon Dec 16, 2019 9:27 pm
Forum: Where is it now ?
Topic: Trying to trace owner of a Leader
Replies: 17
Views: 1080

Re: Trying to trace owner of a Leader

Simon is certainly right when he says that the VIN number has been mis-interpreted. Two stroke numbers went up to around 36,000 so the number you quote, even with the 8 translated as a B, is too big by a factor of 10. I have looked in the Despatch Books for obvious matches, dropping a number here an...
by paul.jameson
Wed Dec 11, 2019 9:52 pm
Forum: For sale/wanted - Parts
Topic: Wanted : Burman CP kickstart spindle
Replies: 5
Views: 247

Re: Wanted : Burman CP kickstart spindle

Try Club Spares (Goeff Brown). CP spares are quite plentiful.
by paul.jameson
Wed Dec 11, 2019 9:50 pm
Forum: Four stroke
Topic: VHA which carburettor?
Replies: 5
Views: 275

Re: VHA which carburettor?

The VHA went out of production in 1953. The Monobloc was produced from 1955. Personally, I find the Monobloc less trouble than the earlier carb but I have run earlier carbs on the Red Hunter for over 30 years now and haven't changed to a Monobloc so they can't be too bad.
by paul.jameson
Wed Dec 11, 2019 9:39 pm
Forum: Ariel Talk
Topic: HELP PLEASE Isolastic Bushes
Replies: 8
Views: 494

Re: HELP PLEASE Isolastic Bushes

I had a Swallow Jet80 sidecar at one stage so I know the bushes you mean. As others have said, they are either Metalastic or Silentbloc and a Google search gives you leads for either.
by paul.jameson
Tue Dec 10, 2019 9:13 pm
Forum: Ariel Talk
Topic: Nice article in TCMC!!
Replies: 15
Views: 814

Re: Nice article in TCMC!!

Mick, My crash / badge / oil gauge / clock bar on the KH(A) is based on the Britax bar so the dimensions are similar, although not identical in one or two places. Each bar is 12" long and made from 1.150" hex. The hex is probably what I could find so the dimension may not be the same as th...
by paul.jameson
Sun Dec 08, 2019 9:48 pm
Forum: Four stroke
Topic: Fuel pipe solder nipple angle
Replies: 11
Views: 519

Re: Fuel pipe solder nipple angle

Luis,

I would advise making the nipple from brass. It is easier to solder on to the pipe and being softer than steel, the taper seals more easily.

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