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by tony.barnett
Sun Apr 24, 2011 10:48 am
Forum: Four stroke
Topic: 1929 Mod A/B Carburettor
Replies: 3
Views: 1135

Amal list a 160 mainjet for a 1946 VB (276 carb) - I'd think that would be a good place to start.
by tony.barnett
Sun Apr 24, 2011 10:45 am
Forum: Ariel Talk
Topic: warm starting
Replies: 4
Views: 1862

Can't help with a diagnosis Michael but if you don't find any help here (its a relatively young forum and membership is growing) then maybe try the Leaders and Arrows Yahoo Group here:- http://uk.groups.yahoo.com/group/arielarrowandleadergroup/ But if you do, please point them to this forum. the mor...
by tony.barnett
Wed Apr 20, 2011 4:56 pm
Forum: For sale/wanted - Parts
Topic: Wheels
Replies: 0
Views: 586

Wheels

I'm looking for a front and rear wheel, drum braked, 21" wired rims, preferably WM1, cosmetically they can be challenged cos I intend to powdercoat.

What have you got?
by tony.barnett
Thu Mar 31, 2011 7:58 pm
Forum: Four stroke
Topic: 1928 500 Timing Cover Oil Union
Replies: 4
Views: 1295

Thanks Knud. I've actually found an elbow fitting that will go on the threaded bit sticking out of the timing cover. I seem to recall it was on there when I got the pile of bits which formed my 1928 Ariel starter kit.
by tony.barnett
Thu Mar 31, 2011 7:56 pm
Forum: Four stroke
Topic: Single Cylinder Crankcases
Replies: 4
Views: 1137

Thanks Pete. I'll be using the 5 stud cases with a four stud barrel. So just blank the fifth stud (between the pushrods)?
by tony.barnett
Thu Mar 31, 2011 3:30 pm
Forum: Four stroke
Topic: Single Cylinder Crankcases
Replies: 4
Views: 1137

Single Cylinder Crankcases

I have a 1951 VH engine (prefix RB, which is 1951) with some damage to the crankcases. I also have a set of VB crankcases (prefix MC, which is 1956). Is there any reason why I couldn't use the VB crankcases for the VH engine? The main difference I can see is the RB cases are 4 base studs, the MC one...
by tony.barnett
Sun Mar 27, 2011 1:49 pm
Forum: Four stroke
Topic: FH650 Restarting problem
Replies: 6
Views: 1505

Re:

If it was the mag, then wouldn't there be bugger all spark ?? John reckons it's sparking strongly, even when it's not starting. When my VB wouldn't hot start, and it was the magneto, it had a really, really rubbish spark... A weak mag will spark happily outside the cylinder but put it under working...
by tony.barnett
Sun Mar 27, 2011 1:46 pm
Forum: Ariel Talk
Topic: Nova Scotia VH
Replies: 4
Views: 1183

Nice Ariel. The handlebars should have a screw in them between the mounts (look underneath - is there a hole?) - stops the bars rotating in the mounts.
by tony.barnett
Sun Mar 13, 2011 10:01 pm
Forum: Four stroke
Topic: another jetproblem
Replies: 8
Views: 1756

Re: another jetproblem

Chris,

The only data I can find for 500s is post war bikes fitted with 289 (1 1/8") carbs. If its any use the settings are:-

Main jet 200
Needle Jet 106
Needle Position 3
Slide Cutaway 3
by tony.barnett
Sun Mar 13, 2011 8:41 pm
Forum: Four stroke
Topic: another jetproblem
Replies: 8
Views: 1756

Re: another jetproblem

This site has useful tuning advice for Amal carbs:- http://www.hitchcocksmotorcycles.com/hints-tips-premonobloc Sounds to me like its the slide cutaway than needs altering, not the main jet Chris. Spitting when you rev it could be a too big cutaway (if its from low to mid throttle) or the needle pos...

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