Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
Nice 550, it sounds like the exhaust blowing at the cylinder. Welcome to the mad world of the SOHC.[/quote agrees with Trigger,it does sound like a blowing sealing ring, and also welcome to the sohc fun palace
it sounds like the exhaust blowing at the cylinder.
A massive thanks to all those who suggested the exhaust. I was totally going down the wrong lines. I reseated the gasket, tightened everything up and problem solved.Your knowledge and experience saved me hours of unnecessary work and head scratchingThanks againHere's a link to the result. https://youtu.be/qaol2xsJAtg