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by simon.holyfield
Mon Nov 23, 2020 6:33 pm
Forum: Four stroke
Topic: Engine Rebuild help
Replies: 5
Views: 126

Re: Engine Rebuild help

That will do it easily. Before you start, might I suggest that you look at the cam bearings? If the inner one is shot you will have to heat the case to get it out, may as well do it once...
by simon.holyfield
Mon Nov 23, 2020 9:15 am
Forum: Four stroke
Topic: Square four RH footrest support
Replies: 3
Views: 120

Re: Square four RH footrest support

I haven't made one, but with access to a lathe and enough heat to bend the bar to the required shape it would be easy enough to make one.
by simon.holyfield
Wed Nov 18, 2020 7:25 pm
Forum: For sale/wanted - Bikes
Topic: FOR SALE : 1904 Ariel
Replies: 7
Views: 234

Re: FOR SALE : 1904 Ariel

Dave.Barkshire wrote:You must know more about veteran Ariels then anyone on the planet Adrie. I hope you keep safe because if you don't then nobody will have the knowledge and it will be lost.


Please write it all down!
by simon.holyfield
Tue Nov 17, 2020 7:27 am
Forum: Four stroke
Topic: Mk1 Sq 4
Replies: 17
Views: 2674

Re: Mk1 Sq 4

john.bebb wrote:As a matter of interest - I would like to hear of the methodology used to actually strobe the ignition on a Mk1, thanks. John


So would I. Marks/pointer on the engine sprocket I would think.
by simon.holyfield
Sat Nov 14, 2020 8:12 pm
Forum: Four stroke
Topic: square four distributor cover
Replies: 17
Views: 453

Re: square four distributor cover

The Austin 7 uses that distributor. I wonder if its worth nosing around their parts suppliers?
by simon.holyfield
Sat Nov 14, 2020 6:42 pm
Forum: Four stroke
Topic: square four distributor cover
Replies: 17
Views: 453

Re: square four distributor cover

I made one from heat shrink. Not too pretty but does the job:

http://ariel-square-four.blogspot.com/2 ... s.html?m=0

Don't Drags have them?
by simon.holyfield
Fri Nov 13, 2020 8:08 am
Forum: Four stroke
Topic: Mk1 Sq 4
Replies: 17
Views: 2674

Re: Mk1 Sq 4

That 'secondary bolt' should be very short - it's just a plug. There used to be an oiler in that hole.

Someone will tell us when it was deleted.
by simon.holyfield
Thu Nov 12, 2020 10:51 pm
Forum: Four stroke
Topic: Mk1 Sq 4
Replies: 17
Views: 2674

Re: Mk1 Sq 4

On the timing adjustment - yes, it's very tight with the condenser towards the rear. My oil tank has a fairly uniform depression across the front which may increase distributor movement, and I have also deliberately pushed it backwards as far as it will go. I have considered mounting the condenser o...
by simon.holyfield
Thu Nov 12, 2020 7:23 am
Forum: Four stroke
Topic: Mk1 Sq 4
Replies: 17
Views: 2674

Re: Mk1 Sq 4

Congratulations T.J., sounds like you are almost there.

Couple of questions: what plugs are you using? Secondly, I assume that you are unable to adjust the timing by moving the distributor in its clamp, rather than moving it a whole tooth?
by simon.holyfield
Tue Nov 10, 2020 7:18 am
Forum: For sale/wanted - Bikes
Topic: FOR SALE : 1928 B
Replies: 15
Views: 1079

Re: FOR SALE : 1928 B

Congratulations!

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