1983 Yamaha 30EN Outboards Service Manual, Page 153Get this manual
3 Install the control lever, the shift arm and gear, and secure them with the bolt(Do not forget to install the wave washer, bushing, etc
6 Install the neutral switch operation arm to the gearInstall the detent roller and leaf spring to the control box
7I nstall the throttle arm to the gear and shift arm (Do not forget to install the bushing, cam roller, etc