HOME and how to join Forum Open Area General Scott topics Big end Tab washer’s Re: Re: Big end Tab washer’s

#16300
BRIAN MARSHALL
Participant

There is really no need for the tab washers, or for the thin left-hand thread lock-nut on the end of the crank centre bolt. The only time there could be a tendency for the crankpin screws to loosen is if the engine is allowed to run backwards.