Ariel Motorcycle Club North America Forum

Thank you, Phil - I've already done that and also submitted the same question to the Ariel forum on Britbike.com.
Paul.

Hi all, Hope you can help me. I just did a complete tear-down on my 1958 Ariel Square Four since it had not been running for a long time (save around my neighborhood after I bought it). Good thing I did dismantle it as I found a broken stud banging around in a push-rod tunnel and that the crankshaft...

I have been reminded that placing a fixed oil seal there is not possible due to the need for the gearbox to move when adjusting the primary chain. Duh, of course. I had wondered whether the rim around the recess wa designed to be an oil catcher, but the recess looked like it was designed to take a s...

Hi, I am rebuilding my 1958 Square Four because it had been sitting for a long time. When I purchased it, it had poured oil out of the primary case with ease. I see there is a recess in the inner primary cover, inboard of the large chainwheel, which looks awfully like a site for a large oil seal but...

Good for you Paul, Glad you discovered those issues before further damage could happen. I learned a long time ago that so-called owner "overhauls" can range anywhere from mechanically perfect, to nothing more than a Krylon spray job on the fins. My own engine was supposed overhauled "just 1,000 mile...

Decided to disassemble my 1958 Square Four as it has not run in several years and have read enough disaster stories about engine blow-ups because of sludge in the crank oil pathways. The only handbook (owner's manual) is particularly unhelpful so thought I'd ask the experts since this is my first at...