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by chris.shearwood
Tue Aug 04, 2020 12:37 pm
Forum: Ariel Talk
Topic: Engine rebuild - W/NG
Replies: 28
Views: 658

Re: Engine rebuild - W/NG

Last point. If you look at the exhaust rocker bolt boss in the far side of this picture, it has a 1/4" chip out of it. Is it worth the risk of building this up? It's not been causing a problem. Simon, Isn't that damage caused by someone removing the rocker box with the valve fully open i.e. th...
by chris.shearwood
Fri Jul 10, 2020 12:54 pm
Forum: Four stroke
Topic: Square Four won't start
Replies: 12
Views: 421

Re: Square Four won't start

Hi Paul,
I presume the plugs are wet with gasoline after all that kicking?
Chris
by chris.shearwood
Thu Jul 09, 2020 9:12 pm
Forum: Four stroke
Topic: Square Four won't start
Replies: 12
Views: 421

Re: Square Four won't start

Are you certain your ignition timing is not 180° out?
by chris.shearwood
Thu Jun 25, 2020 1:29 am
Forum: Main Chat Forum
Topic: Burman GB gearbox
Replies: 7
Views: 463

Re: Burman GB gearbox

Hi Dave,
I'm not sure to which spring you mean but by chance I was putting a BA box together today and quit just before putting the outer cover back on. Come on over tomorrow and you can take a look.
Regards, Chris
by chris.shearwood
Wed Jun 24, 2020 4:37 pm
Forum: Member's Bikes
Topic: My 4G Restoration Blog
Replies: 142
Views: 47200

Re: My 4G Restoration Blog

Paul,
What a disappointment that must have been to see the masking tape remove the paint. I can feel your pain! I admire your restoration prowess and I can't be the only member of this Forum who is inspired by your accomplishments,
keep up the good work,
Regards, Chris
by chris.shearwood
Fri Jun 19, 2020 3:11 pm
Forum: Four stroke
Topic: Solex AHD26 carb jets
Replies: 15
Views: 544

Re: Solex AHD26 carb jets

For what it is worth here is a scan of the Solex specs in Roy Bacon's "Ariel - The Postwar Models":
by chris.shearwood
Fri Jun 19, 2020 12:00 pm
Forum: Four stroke
Topic: Solex AHD26 carb jets
Replies: 15
Views: 544

Re: Solex AHD26 carb jets

This has been discussed before and I think the consensus was there should not be a float bowl gasket used. I don't have one on my Solex and it doesn't exhibit any problems.
by chris.shearwood
Thu Jun 18, 2020 9:06 pm
Forum: Four stroke
Topic: Solex AHD26 carb jets
Replies: 15
Views: 544

Re: Solex AHD26 carb jets

From the above Zenith service bulletin: When idling, the mixture is provided by the pilot jet (g) and the volume control screw (W) regulates the richness of the idling mixture. By turning screw (W) in an anti-clockwise direction, enrichment takes place up to the limit of the pilot jet output and con...
by chris.shearwood
Thu Jun 18, 2020 7:50 pm
Forum: Four stroke
Topic: Solex AHD26 carb jets
Replies: 15
Views: 544

Re: Solex AHD26 carb jets

Does anybody know what the jet (circled in picture) does? It seems to be part of the pilot jet feed but the jet list for the SQ4 doesn't mention it. Pete Hello Pete, I think that is called the pilot or auxiliary jet. I don't know what the size should be but I could try and measure the hole on the o...
by chris.shearwood
Sun May 24, 2020 4:32 pm
Forum: Four stroke
Topic: Correct number plate for 1949
Replies: 7
Views: 402

Re: Correct number plate for 1949

Pete.Silson wrote:Also what tail light should I be fitting?


I think the tail light should be an MT110.

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