Ariel Motorcycle Club North America Forum

I just completed an extensive overhaul of my MK II Square 4, including the rocker shafts, with a couple of useful modifications. These seemingly simple components can be quite complex to repair properly. You can read my experience, including photos, from my own blog at: http://blog.auldridge.org/roc...

I recently completed installation of new pistons in my 1953 Square 4 MK II. With guidance from noted Ariel expert Paul Ackerman, I used a completely different procedure than the daunting process suggested in the Ariel factory workshop manual, and found the task to complete without issue. I have docu...

See the suggested contact for Steve Daniels in Maine under the line boring topic Just don't plan on being in a hurry. My engine has been there for a year now and still not completed. I have confidence that he does good work but is frustratingly slow He has no email and rarely responds to voice messa...

I've owned my Square 4 for over 2 years now, but in spite of "rumors" of a club Facebook page, I was unsuccessful in finding it until recently.

Here is the link: https://www.facebook.com/groups/28099847266/

Lots of good stuff. Well worth registering and participating there!

I am currently using Steve as well, but my cases have been at his shop for just a bit over a year. I do have confidence in his work, but just be aware that he can't be hurried, and he is very old school with communication (or lack of it.. no email address, and rarely responds to phone messages.. you...

Thanks Roger

Missing the small metal tensioner stop that bolts into the timing case. NLA from Draganfly's.. Anyone have a spare or even one I could borrow to make a copy?

looking for an OEM style battery box for my '53 Square Four

Send PM or email (by clicking on my user name above) and please include photos and price.
Phil Auldridge
austin, TX

For Sale: ERICKSON SQUARE FOUR TIMING CHAIN TENSION-ERS MADE OF MODERN PLASTIC MATERIAL, NO METAL TO METAL – FOR EARLY OR LATE MODELS – $90 PLUS POST-AGE CONSTANCE 941-423-7987 OR EMAIL cwilbar@hotmail.com
POSTED BY FORUM MODERATOR, but please contact seller ABOVE

FOR SALE . For a Mark 11 Square 4.One complete set of used exhaust pipes. Good condition but will require chroming. $125.00 plus $25.00 shipping. One left side rear exhaust pipe in good condition but also re-quires chroming. $75.00 plus $15.00 shipping. One set new front ex-haust pipes in factory wr...