Re: 57 Big Twin Flywheel

Home › Forum › Ask A Member › 57 Big Twin Flywheel › Re: 57 Big Twin Flywheel

April 9, 2018 at 6:09 pm #73689
Mumbles
Participant

    OK, I think I found the problem. After digging out the old Lark crank, I compared it to a 57-58 Big Twin crank and the problem is obvious. Two different style keyways! It’s now time to do some fitting and filing!

    Attachments: