Oil in Frame Forks

Here’s a good one to try – on second thoughts if you like scraping your footpegs on your OIF Trumpy read no further or it will only worry you. Shaddy’s new to these, he’s been riding Hinkleys for years. Round in his shed he showed me this on the 72 Bonnie he’s doing up. With …

Oil Leaks

  True surfaces, new gaskets and new oils seals properly fitted can result in an oil tight motor, particularly with the later 650/750 twins. Nigel Sprocket was working on a revolutionary solution to oil leaks in a secret department at Meriden and recalls – “after years of intensive research we discovered that the polarity of …

Timing the 650 Gearbox

Nigel Sprocket “There ye go lad, a flash new selector mechanism for the new 650” Spotty Stapp (no relation to Grumpy Stapp, TOMCC member) “I was talking to a nip down the pub last night and he reckons we should split the crankcases horizontally so the gearbox can be assembled and tested before bolting up …

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 …