Hi Henning. When I first started up my 1945 SQ after restoration I had a problem with a major oil leak coming from the back of the timing case where the mag armature enters. As you show in your first picture taken from a workshop manual there is a boss that protrudes into the timing case that is sup...

Have these been listed anywhere ready for sale yet?

There is Andrew Guttmann at https://sites.google.com/site/priorymagnetos/home?pli=1 who has a good reputation I believe.

The other option is to change the clutch sprocket to one of Drags 40t ones instead of the standard 44t. https://draganfly.co.uk/shop/63219/clut ... t/#3380-91

I run a 26T sprocket on my 1946 4G having felt the 24T was a little to low geared. It has the 3 lobe cush drive so buying one off the shelf was not an option therefore I bought a 26T plain sprocket from BearingsRUs. I also had a worn out 24T sprocket so got a friend to make one up for me by removing...

Bonhams catalogue listing. There are some numbers shown in one of the pictures (6th), could that be the frame number?
https://www.bonhams.com/auction/27434/l ... e-visible/

adrie.degraaff wrote: ↑Mon Jul 25, 2022 7:01 am I cann't see a rearstand so it could be a 1929 E.
There are not many around.

I agree, good shout.

Hi Pete, I've taken the air correction jet out and given it a good blow through. Can't take her out until tomorrow to find out if she's sorted. I'll let you know. Cheers John

Thank you for your responses, I have just downloaded Instruction Booklet for Self-Starting Solex Carburettors and reading it does sound like the correction jet may be the problem as the cough happens when you first open the throttle after a steady slow run, say through a 30mph area, and then she acc...

Having now resolved the non starting when hot problem I was having recently by fitting a Thorspark electronic ignition system to the mag I would now like to fix the annoying issue of the bike hesitating for a moment when travelling along at a fairly closed throttle and then you accelerate. It's like...