Classic Techniques

During lockdown, I took the chance to attack the long list of 'Round To-lts' I have for my three AMC machines. The wring lockdown, I took the chance to attack the long list of 'Round To-lts' I have for my three AMC machines. The most complex and expensive job was to fit a new crankpin into my 1953 AJS 185. I've had the bike since 2004 to pull sidecars, and at present it's attached to a lightweight wicker single-seater with a Watsonian braked frame. When I first ran the AJS with a chair, it was not long before I coasted to a halt with a dead engine. At home, I found the crankpin had sheared off cleanly on the timing side flywheel. This was traced to an aftermarket pin that had been machined from solid, producing high-stress areas at each sharp, 90-degree corner. most complex into my 1953 AJS 18S. I've . AJS with a halt with a . At home, I found the crankpin had sheared off cleanly on the . from solid, , corner. The correct with a collar of cross-section.