Yamaha 2.5 HP - 25 HP Motors

ENGINE TYPE: 2 Cylinder
DISPLACEMENT: 432cc
BORE x STROKE: 65 x 65.1mm / (2.56 x 2.56 in)
PROP SHAFT HORSEPOWER: 25 HP at 5500 RPM
FULL THROTTLE RPM RANGE: 5000 - 6000 RPM
ALTERNATOR OUTPUT at W.O.T.: 16 Amp
COMPRESSION RATIO: 9.3:1
FUEL INDUCTION SYSTEM: EFI
WEIGHT: 126 lbs (57 kg) / 143 lbs (65 kg)
RECOMMENDED FUEL: Octane 87
RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual)
RECOMMENDED FUEL FILTRATION: Yamaha 10-Micron Fuel / Water Separating Filter (External)

ENGINE TYPE: 2 Cylinder
DISPLACEMENT: 432cc
BORE x STROKE: 65 x 65.1mm / (2.56 x 2.56 in)
PROP SHAFT HORSEPOWER: 205 HP at 5500 RPM
FULL THROTTLE RPM RANGE: 5000 - 6000 RPM
ALTERNATOR OUTPUT at W.O.T.: 16 Amp
COMPRESSION RATIO: 9.3:1
FUEL INDUCTION SYSTEM: EFI
WEIGHT: 126 lbs (57 kg) / 146 lbs (66 kg)
RECOMMENDED FUEL: Octane 87
RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual)
RECOMMENDED FUEL FILTRATION: Yamaha 10-Micron Fuel / Water Separating Filter (External)

ENGINE TYPE: 2 Cylinder
DISPLACEMENT: 362cc
BORE x STROKE: 63 x 58.1mm / (2.48 x 2.29 in)
PROP SHAFT HORSEPOWER: 15 HP at 5500 RPM
FULL THROTTLE RPM RANGE: 5000 - 6000 RPM
ALTERNATOR OUTPUT at W.O.T.: 10 Amp
COMPRESSION RATIO: 9.3:1
FUEL INDUCTION SYSTEM: Carb
WEIGHT: 111 lbs (50 kg) / 132 lbs (59 kg)
RECOMMENDED FUEL: Octane 87
RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual)
RECOMMENDED FUEL FILTRATION: Yamaha 10-Micron Fuel / Water Separating Filter (External)

ENGINE TYPE: 2 Cylinder
DISPLACEMENT: 212cc
BORE x STROKE: 56 x 43mm / (2.20 x 1.70 in)
PROP SHAFT HORSEPOWER: 9.9 HP at 5500 RPM
FULL THROTTLE RPM RANGE: 5000 - 6000 RPM
ALTERNATOR OUTPUT at W.O.T.: 6 Amp
COMPRESSION RATIO: 9.4:1
FUEL INDUCTION SYSTEM: Carb
WEIGHT: 87 lbs (39 kg) / 93 lbs (42 kg)
RECOMMENDED FUEL: Octane 87
RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual)
RECOMMENDED FUEL FILTRATION: Yamaha 10-Micron Fuel / Water Separating Filter (External)

ENGINE TYPE: 2 Cylinder
DISPLACEMENT: 212cc
BORE x STROKE: 56 x 43mm / (2.20 x 1.70 in)
PROP SHAFT HORSEPOWER: 8 HP at 5500 RPM
FULL THROTTLE RPM RANGE: 5000 - 6000 RPM
ALTERNATOR OUTPUT at W.O.T.: 6 Amp
COMPRESSION RATIO: 9.4:1
FUEL INDUCTION SYSTEM: Carb
WEIGHT: 87 lbs (39 kg) / 89 lbs (40 kg)
RECOMMENDED FUEL: Octane 87
RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual)
RECOMMENDED FUEL FILTRATION: Yamaha 10-Micron Fuel / Water Separating Filter (External)

ENGINE TYPE: 1 Cylinder
DISPLACEMENT: 139cc
BORE x STROKE: 62 x 46mm / (2.44 x 1.81 in)
PROP SHAFT HORSEPOWER: 6 HP at 5500 RPM
FULL THROTTLE RPM RANGE: 4500 - 5500 RPM
ALTERNATOR OUTPUT at W.O.T.: 6 Amp
COMPRESSION RATIO: 8.9:1
FUEL INDUCTION SYSTEM: Carb
WEIGHT: 59 lbs (27 kg) / 61 lbs (28 kg)
RECOMMENDED FUEL: Octane 87
RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual)
RECOMMENDED FUEL FILTRATION: N/A

ENGINE TYPE: 1 Cylinder
DISPLACEMENT: 139cc
BORE x STROKE: 62 x 46mm / (2.44 x 1.81 in)
PROP SHAFT HORSEPOWER: 4 HP at 4500 RPM
FULL THROTTLE RPM RANGE: 4000 - 5000 RPM
ALTERNATOR OUTPUT at W.O.T.: 6 Amp
COMPRESSION RATIO: 8.9:1
FUEL INDUCTION SYSTEM: Carb
WEIGHT: 59 lbs (27 kg) / 61 lbs (28 kg)
RECOMMENDED FUEL: Octane 87
RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual)
RECOMMENDED FUEL FILTRATION: N/A

ENGINE TYPE: 1 Cylinder
DISPLACEMENT: 72cc
BORE x STROKE: 54 x 31.5mm / (2.13 x 1.24 in)
PROP SHAFT HORSEPOWER: 2.5 HP at 5500 RPM
FULL THROTTLE RPM RANGE: 5250 - 5750 RPM
ALTERNATOR OUTPUT at W.O.T.: N/A
COMPRESSION RATIO: 8.8:1
FUEL INDUCTION SYSTEM: Carb
WEIGHT: 37 lbs (17 kg) / 40 lbs (20 kg)
RECOMMENDED FUEL: Octane 87
RECOMMENDED ENGINE OIL: Yamalube 4M (See Owner's Manual)
RECOMMENDED FUEL FILTRATION: N/A