G'Day Bigem, Not sure about the knocking noise but contact Peter Knight at [email protected] there's not much he doesn't know about your engine & he will also have any parts you might need. He was more than helpful when I rebuilt my red & white 320, just quote your engine number & he will know ...

Thanks for the info, I tried it at 60:1 and it seems to run fine, for a bike that hasn't run for a
couple of years anyway. It blows a small amount of smoke so I know its getting lubricated.
All I've I got to do now is pretty it up a bit as I hope to ride it at the Nationals this year.

I also need ...

Gday All, Chasing some info please, I've just got hold of an early SWM 320, 78/79 model I think & need to know the correct fuel mixture. I think it will run a bit better with fresh fuel the stuff thats in it at the moment makes your eyes water !