Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
I would greatly appreciate if anyone can advise/recommend on engineering services in (Hertfordshire would be ideal) to do the following on the CB4001. Re-bore and honing - 2. Head skimming3. Valve seats / valves lapping4. Cleaning - Vapour blasting The picture is of the guilty piston - it must of had a hard life.