If you are in the UK then have a look at Lucas distributors on eBay - here is a DKX4 with a 12 tooth drive gear: https://www.ebay.co.uk/itm/256008995942?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=nxTMQd6lRjC&sssrc=2349624&ssuid=kUKeo5gDStO&var=&widget_ver=artemis&...

I’ve bought cork from these people who supply cork for automotive use.
https://www.charlescantrill.com/
Make sure you specify exactly what you want or they will supply coarse cork. They also list synthetic materials like neoprene which might be better?

Very nice!

Ariel swinging arm frames adapted to take a Square Four engine used to be around, I think there was an engineer who made a batch, but you won’t find one now. A word search on this forum may provide more info. My swinging arm Square Four handles much better than my Anstey link one, but i enjoy them b...

It also gives you the chance to clean the sludge traps in the crankshafts while the engine is dismantled.

still available, no reasonable offer refused……

VB at Pugh’s auction in Gloucester (UK) on the 19th Nov.
https://www.hjpugh.com/catalogue/lot/8d ... -lot-1063/

I offer my condolences for what happened to your engine, and am glad to hear you are going to rebuild it. Are the current liners on standard bore size? If they are oversize then it might be cheaper to change all four liners to standard and avoid reboring them, although the cost of new pistons will n...

Jim, when you contact the club’s dating officer to let them know your bike is ready they will probably want an inspection, which they will arrange. After that’s been done and assuming all is OK they will send you the dating certificate. That’s how it worked for me about six years ago, and i don’t be...

Bump.