Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 47Get this manual
OUTBOARD MOTOR INSTALLATION
Start in Gear Protection
The remote control connected to the outboard must be equipped with start-in-gear protection deviceTh is prevents the engine from starting in gear
engineThe design of this outboard requires that the remote control used with must have built in start-in-gear protection device
Selecting Accessories For The Outboard
Genuine Quicksilver Parts and Accessories have been specifically designed and tested for this outboardSome accessories not manufactured or sold by Quicksilver are not designed to be safely used with this outboard or outboard operating systemAcquire and read the Installation, Operation, and Maintenance manuals for all selected accessories