1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 245Get this manual
Safety Warnings To prevent possible injuries or falls overboard, whenever you have removed and disassembled any part of the motor shift system, always make sure that: when the motor is shifted to neutral, the gearcase is in neutral and the propeller is not being driven, the start-in-gear protection system; either start-in-gear at limited throttle (on smaller motors) or start-in-neutralonly (on electric start and larger motors) operates properly,