Thank you.

Good day
My friend has the above bike and it needs the ignition timing set after the mag rebuild, I would like advice on the degrees before TDC for the firing.
The book he has says 1/2" advance which I take to be measured through the plug hole. I find that hard to get exactly in position and ...

My apologies
I clicked on that and didn't see it?
Thanks
John

Ideally I'd like a plug type reference number. Roger's link does not provide that.
I live in southern Ireland and do not wish to buy from the UK with attendant Brexit related costs and delays.
Kind regards
John

Iron

Good day,
May I ask from the experienced, what is the best spark plug to use for this bike?
Regards
John

OK Roger, I have done that.
John

Hello
Has anyone any information on this bike for sale in Italy?
https://www.carandclassic.com/l/C1843031
Regards
John

(SG edited, web link works much better when it's not in the topic title....)

Roger,
I would agree that in the absence of other evidence that would seem most likely.
However the valve stem was free in its guide and not any sign of scuffing or seizing and it was lubricated.
My only other thought would be metal fatigue around the spherical end.
Anyway, awaiting spares from Rob ...

Good. day,
Rode thew bike into the garage on Sunday, normal operation.
Wednesday tried to start, spiting and farting ensued so investigations led to port side exhaust valve pushrod issue.
The valve itself was fine, stem was lubricated and free. with no sign of seizure or other malfunctioning.
Has ...