Looks like there is one on eBay at the moment if your pockets are deep enough…

https://www.ebay.co.uk/itm/266246335070 ... media=COPY

I’m not sure if it should have one or not, but my ‘48 has an internal breather pipe which is routed similarly to that on the later square fours.

That’s a question for Sean O’Brien, but I don’t think there is much

We do need a black Ariel spares man - be a great way to learn Lee!

I wish I could make it as it is one of the events I enjoy the most. Unfortunately I will not get back from Poland until the Saturday afternoon as I am travelling for work, so will have to miss it this year.

Hi Pete, Girder forks and front hubs are very rare, and subsequently very expensive. If you need to re-blade them that also adds expense. The headlight is also a larger diameter, and the mudguard is different too, although you will probably get away with just making a new stay. All in all, dependent...

Another vote for Avon Roadriders, have them on all three bikes and would be reluctant to move away from them

I think they might be made under license by Wassell. I bought 4 of the non surpressor type black NGK ones from the VMCC shop a few months ago for my square four

Sounds normal to me. You get a slightly better return with a morgo pump but not necessary unless you are running very high compresssion (which I am)

My square four had a ball in it when I looked at the clutch. I removed it and fitted a pressure plate I got from Geoff. Dad then told me that certain models had a ball at both ends. I ended up rebuilding it with a new pushrod, had the same problem as you so cut the pushrod in half and put a ball in ...