Engine sprocket coming loose

Joined
Jul 18, 2016
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#11
alright the woodruff key was still in place but busted in half hence why my sprocket was loose. luckily I have a spare parts engine!
 


FNTPuck

Active Member
Joined
Jul 2, 2018
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#16
good woodruff key but nut holding drive gear keeps coming loose ...why??
Is the tooth style lock washer under it?

I would replace it with a new one if so since they flatten out and don't do a good job when reused. Also a small dot of blue loctite helps.
 
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