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by paul.jameson
Sun Sep 27, 2015 8:46 pm
Forum: Main Chat Forum
Topic: Got my photo in classic bike
Replies: 4
Views: 1370

Re: Got my photo in classic bike

And the outcome of the weekend for you Wali ?
by paul.jameson
Fri Sep 25, 2015 6:58 pm
Forum: Main Chat Forum
Topic: Trapped by Google
Replies: 5
Views: 1031

Re: Trapped by Google

Steve, If you go straight across the roundabout in front of you, after about 3/4 mile you will find my old secondary school on the left. In the early 1970s, Ariels outnumbered all other makes put together at the school by a factor of about 2 to 1. Although the local dealer, Watkinson Motors, was an ...
by paul.jameson
Sat Sep 19, 2015 9:01 pm
Forum: Four stroke
Topic: VH misting from carb
Replies: 10
Views: 1611

Re: VH misting from carb

Stop worrying about the misting. I fitted a VH style oil tank to my RH500 earlier this year (it having previously had a 350 size oil tank, petrol tank, engine and gearbox. The oil tank was the last thing to be changed, engine and gearbox being up to the 10,000 mile mark when the oil tank was fitted)...
by paul.jameson
Tue Sep 15, 2015 8:44 pm
Forum: Electrics
Topic: Ignition problem
Replies: 4
Views: 1403

Re: Ignition problem

The blue exhaust pipe means overheating which is usually caused by the ignition being too retarded. Is your replacement magneto the same as the original or is the advance retard cable connection on the other side perhaps? Some serious checking of the replacement magneto is called for but a better op...
by paul.jameson
Tue Sep 15, 2015 8:36 pm
Forum: Ariel Talk
Topic: New head gasket for a mark ii square four
Replies: 18
Views: 2754

Re: New head gasket for a mark ii square four

A few trips, not exceeding 10 miles, sounds a good way of finding out just how much sludge there is in No 3 sludge trap. Talk to Bruce Longman's predecessor as Square Four spares organiser, David Jones, on 01526 832858. His square threw No 3 rod on just such a trip. You may be lucky and get away wit...
by paul.jameson
Mon Sep 14, 2015 9:48 pm
Forum: Four stroke
Topic: Oil Pressure
Replies: 61
Views: 9006

Re: Oil Pressure

Mark, The pipe from the crankcase feeds the inlet guide, although Ariel did experiment with it also feeding the exhaust guide. I don't know which years in the 1930s saw which level of experimentation. What I do know, from hard experience coupled with advice from old time open valve riders is that th...
by paul.jameson
Mon Sep 14, 2015 9:32 pm
Forum: Ariel Talk
Topic: New head gasket for a mark ii square four
Replies: 18
Views: 2754

Re: New head gasket for a mark ii square four

I would echo David's advice. If the bike has not been stripped, it will have run on non-detergent oil, with the result that there will be a fair amount of gunge around the engine. Modern oils contain detergents which clean the gunge from the engine into the oil for collection in the new and efficien...
by paul.jameson
Fri Sep 11, 2015 10:11 pm
Forum: Electrics
Topic: Bulbs 12v - 6v General confusion?
Replies: 8
Views: 1968

Re: Bulbs 12v - 6v General confusion?

The set up you have is correct for the year, except that the headlight bulb should have a holder to go into. Clearly, someone has removed this and inserted the modern bulb, which probably works far better than the originals did. I suspect the modern bulb must be fairly easily replaced but I don't su...
by paul.jameson
Fri Sep 11, 2015 9:57 pm
Forum: Four stroke
Topic: Q box speedo ratio
Replies: 3
Views: 427

Re: Q box speedo ratio

Ian,

There is an absolutely huge variety of MA speedos out there. Finding an Ariel one (or converting one to Ariel spec) is no easy task.
by paul.jameson
Fri Sep 11, 2015 9:53 pm
Forum: Four stroke
Topic: Oil Pressure
Replies: 61
Views: 9006

Re: Oil Pressure

I think your timing case may be from rather later than 1936, which would explain the lack of a regulator. Perhaps a photo or two would aid identification.

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