Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 330Get this manual
Disassembly AWARNING
When disassembling and reassembling rewind starter, SAFETY GLASSES must be worn in case rewind spring uncoils out of the housing
Remove sheave assembly (a) from housing
Untie knot in starter rope and release starter rope to allow rewind spring to unwindRemove retaining clip which secures shift interlock cable to starter housing Remove rewind starter from engine