That spring certainly looks like the stand spring in the 1929 parts book listed as E8/719.I would like to know the diameter of the spring wire guage to be able to have some made if you could please measure?

Hi Dave what cam 2 lobe cam would you recommend using on a VH other than the A6/664 that would enhance the performance without causing excessive wear to the cam followers.I guess that that the raised oil level in the cam and follower housing would prolong the life of the followers particularly the ...

I think that BSA covers have a slight flare on the lower edge

Hi Stefan could you please quote price for parts?

/Are the petrol tanks on the swing arm Ariel bikes different between the single and the twin motors on the frames?

The rollers on my 1928 clutch have a small recess at one end that i know not the reason for.

Regards to access to works drawings could non members obtain them via the club by paying a fee for individual drawings?

What is the thread in timing side fly wheel is it a cycle thread?

How much percentage wise are machine rolled form to cut formed threads?

The part numbers listed in the parts books i have are 1928 -A6/219 1929-A6/601 1930-A6/601.