Hinkley Fork Strip

The only difficulty dismantling modern fork legs is to hold the damper tube while undoing the bolt that retains it in the bottom of the fork lower tube. To make this easy I welded a 30mm nut to a section of tube see diagram. Tube diameter doesn’t matter much, mine is made from a piece …

Better Scavenging

If your 650 engine no is between DU44394 and DU887147 then you can reduce running temperature and therefore extend engine life at no cost, next time you have the crankcases apart. From DU44394 an oil pump with better scavenge capability was introduced and after DU887147 the crankcase oil level was increased by shortening the length …