1977 motobecane 7, clutch trauma!

This keeps on happening. after riding my lovely moped for a day the nut that holds the clutch good and tightly compressed completely strips out. i mean I can just pull the thing off. Does anyone know what larger issue could be causing this.

Re: 1977 motobecane 7, clutch trauma!

Sounds like the nut or the crankshaft threads are stripped. Hopefully its the nut, can you tell from looking are any threads worn or missing?

Grey

Live to ride, Ride to work

Re: 1977 motobecane 7, clutch trauma!

The threads on the nut get completely ground out. I have ordered replacement nuts from moped junkyard. after a day of riding they are stripped out again

Re: 1977 motobecane 7, clutch trauma!

is there blue paint under that silver?

Re: 1977 motobecane 7, clutch trauma!

See Ya Moped Army /

The threads on the crankshaft could be buttered up.

Re: 1977 motobecane 7, clutch trauma!

Mike Scouty McScoutington /

the circlips that hold the clutch on are prolly messed up or not holding where they should. this will cause the clutch to move and strip the nut. i have seen this happen. next time you are in there make sure that the clutch isnt able to slide back and forth on the crank.

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