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Old 01-05-2010 | 09:21 AM
  #3  
Ed Smith
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From: Brantford, ON, CANADA
Default RE: 4 Stroke jam nuts

I am guessing the locknuts are for the screws holding the engines to the mount.
Use the "Nylock" lock nuts. They will not vibrate loose. I purchase mine from an industrial fastener supplier.

Ed S