Chris unfortunately or fortunately I did not build this engine
I received the bike as a near complete build but startup has shown these faults

Thanks for the reply
I am not sure which O ring that is
I did not build the engine thankfully
It has an oil leak from the sump which I am about to investigate
I will also remove the pump to see if anything is amiss

I have one or two

I was asked to finish off an A4 for an old pal He had rebuilt the motor with standard nos pistons It came to Me around 90% complete Wiring needed sorting but the loom was good so pretty much plug and play carbs needed sorting which I did Finally started it today it started really easily but oil ligh...

I have one Steve

Can We still do the AGM though
Need to elect Jerry again any seconders

Very rare now

Chain guards are unobtainable
They never come up on ebay

I have one Paul

Are You still legally allowed to iron

I have a set of those but unfortunately there is damage around the vacuum adjuster

I will dig out what I have on Saturday

I should have one

I have them Chris
Yours foc

Question still remains how many Hs were built