Yamaha 25D Owner's Manual

Also see for 25D: Owner's manual

Contents

Table of contentsGeneral information .......................... 1Identification numbers record........... 1Outboard motor serial number .......... 1Emission control information ............ 1North American models..................... 1Safety information ............................ 2Important labels................................ 3Warning labels .................................. 3Basic boating rules(Rules of the road) ......................... 4Steering and sailing rules and soundsignals............................................. 4Rules when encountering vessels .... 4Other special situations..................... 5Fueling instructions .......................... 7Gasoline ............................................ 8Engine oil .......................................... 8Propeller selection............................ 8Start-in-gear protection .................... 9Basic components .......................... 10Main components........................... 10Fuel tank ......................................... 10Fuel joint ......................................... 11Fuel gauge ...................................... 11Fuel tank cap .................................. 11Air vent screw ................................. 11Tiller handle .................................... 11Gear shift lever................................ 11Throttle grip ..................................... 11Throttle indicator ............................. 12Throttle friction adjuster................... 12Engine stop lanyard switch ............. 12Engine stop button .......................... 13Choke knob for pull type ................. 13Manual starter handle ..................... 13Steering friction adjuster ................. 13Trim tab with anode ........................ 14Trim rod (tilt pin) .............................. 14Shallow water lever ......................... 14Tilt lock mechanism......................... 15Tilt support bar ................................ 15Top cowling lock lever(s)(turn type) ..................................... 15Warning system ............................. 15Overheat warning............................ 15Operation ......................................... 17Installation...................................... 17Mounting the outboard motor .......... 17Clamping the outboard motor.......... 18Breaking in engine ......................... 19Gasoline and engine oil mixingchart (25:1).................................... 19Procedure for pre-mixed models ..... 19Preoperation checks ...................... 20Fuel ................................................. 20Oil .................................................... 20Controls ........................................... 20Engine ............................................. 20Filling fuel and engine oil ............... 20Filling fuel for portable tank ............. 20Ring Free Fuel Additive................... 21Gasoline and oil mixing (100:1)....... 21Operating engine ........................... 22Feeding fuel (portable tank) ............ 22Starting engine ................................ 23Warming up engine........................ 25Choke start models ......................... 25Shifting ........................................... 25Forward (tiller handle and remotecontrol models) ............................. 25Reverse (manual tilt and hydro tiltmodels) ......................................... 26Stopping engine ............................. 26Procedure........................................ 26Trimming outboard motor............... 27Adjusting trim angle for manual tiltmodels .......................................... 28Adjusting boat trim .......................... 28Tilting up and down........................ 29Procedure for tilting up .................... 30Procedure for tilting down(manual tilt models)....................... 30Cruising in shallow water ............... 31Cruising in shallow water(manual tilt models)....................... 31Cruising in other conditions............ 32Maintenance .................................... 33Specifications................................. 33Transporting and storing outboardmotor............................................ 33