Mercury Mariner 4, 5 102CC Sail 1990 Outboard Service Shop Manual, Page 144Get this manual
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Disassembly 1 Disconnect cable end (a) from pu lley (b) of throttle
2 Slide outer bush ing (a) from hand le (b)
3 Remove screw (a) from handle grip (b) ,
6 Remove sc rew (a) a