I had planned to go up to the Horseshoe Pass today and got halfway there when the Roadster started to misfire. I thought it was electrical as I've just changed the plugs, points, capacitor and rotor, and air filter but it idles perfectly but won't rev. Anyway, don't know how I did it, but I managed to limp almost home 10 miles when she finally gave up on the last few hundred yards. Got my mate to tow me back, oh, the shame...
Pretty sure it's the SU carb, possibly the piston sticking or the jet blocked. Hey ho, guess what I'm doing tomorrow.
I'll keep you posted. Gareth.