Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 423Get this manual
LEFT HAND NON-RATCHETING
5Pull sliding clutch off propeller shaft6Inspect sliding clutchCheck reverse gear clutch "jaws" and forward gear clutch "jaws Rounded "jaws" indicate one or more of the following: aImproper shift cable adjustmentbImproper shift habits of operator(s) (shift from neutral to reverse gear or forward gear too slowly)cEngine idle speed too high (while shifting)
aSliding ClutchReverse Gear Clutch JawsForward Gear Clutch Jaws 7Pull cam follower and clutch actuator rod out of propeller shaftDO NOT force cam follower up-or-down or side-to-side when pulling from propeller shaft8Once cam follower and clutch actuator rod are removed from propeller shaft, lift rod out of cam follower9Check condition of cam followerIf it shows wear (pitting, scoring or rough surface), replace cam follower and shift cam10Remove forward gear and bearing adaptor assembly11Remove thrust races and keepers from prop shaft51875