Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 316Get this manual
Required Side Mount Remote Control or Ignition Key Switch Assembly to be Used with Engines Equipped with Oil Injection Boats Equipped ith Side Mount Remote Control
A Quicksilver Commander Series Side Mount Remote Control equipped with warning horn, must be used with this outboardThis warning horn is necessary for both the oil injection warning system and the engine overheat warning system
NOTE: Rotate remote control handle back and fo rt hYou will feel three detent positions; center detent is neutral1Position remote control handle in neutral detent2Locate approximate center of slack existing in shift cable, as follows Thi is necessary for proper adjustment of shift cable aHolding shift cable (a) from moving, push in shift cable end (b) (toward shift cable) until resistance is feltPlace mark on shift cable at location (c) where cable end has stopped
Boats Equipped with Panel or Console Mount Remote Controls
A Quicksilver Ignition KeyC hoke Assembly equipped with warning hornmust be used with thi outboardThis warning horn is necessary for both the oi injection warning system and the engine overheat warning system