Yamaha 25A Owner's Manual

Contents

4-1EEMK10011*SPECIFICATION DATAModel Unit 25MHAItem25 (2.5, 18)35 (3.5, 25)8Spark plug N•m (kgf•m, lb•ft)8Propeller nut N•m (kgf•m, lb•ft)DIMENSIONSPERFORMANCE8Overall Length mm (in.)8Overall Width mm (in.)8Overall Height S/L mm (in.)8Transom height S/L mm (in.)8Weight S/L kg (lb.)936 (369)358 (14.1)1,068 (42.0)/1,195 (47.0)419 (16.5)/546 (21.5)49.0 (108.0)/50.5 (111.3)8Full throttle operating range r/min8Maximum output kW (HP)8Idling speed r/min5,000~6,00018.4 (25) at 5,500 r/min700~800ENGINE8TypeNumber of cylinderDisplacement cm3 (cu.in.)Bore × stroke mm (in.)8Ignition system8Spark plug NGKSpark plug gap mm (in.)8Control system8Starting system8Battery capacity V-AHMinimum cold crank performance Amps at –17.8°C (0°F)Minimum reserve capacity minutes at 26.7°C (80°F)8Alternator output V-A (W)8Starting carburetion system2-stroke, L2395 (24.1)67 × 56 (2.6 × 2.2)C.D.I systemB7HS-100.9~1.0 (0.035~0.039)Tiller controlManual start———12V-(80W)Choke start systemDRIVE UNIT8Gear positionsGear ratio8Trim/tilt system8Propeller markForward-Neutral-Reverse2.08 (27/13)ManualFFUEL AND OILTIGHTENING TORQUE8FuelFuel tank capacity L (US gal, Imp gal)8Recommended engine oilOil tank capacity L (US qt, Imp qt)8Fuel/oil ratio8Recommended gearcase oilGear oil capacity cm3 (US oz, Imp oz)Regular-unleaded gasoline(P.O.N.: minimum 86)25 (6.6, 5.5)YAMALUBE 2 STROKE OUTBOARD OIL oran equivalent TC-W3 certified outboard oil.—100 : 1Hypoid gear oil (SAE 90)370 (12.5, 13.0)