The disappearing nut is a well known problem, why else would the Yamaha didtributors give me every part I required for half price to replace my knackered shaft after 72000 thousand miles.
See the downloads section.
Fitting an endless chain is a worthwhile excercise that allows you to check all the bearings in the suspension and arm as stated in some previous posts
See the downloads section.
Fitting an endless chain is a worthwhile excercise that allows you to check all the bearings in the suspension and arm as stated in some previous posts