From Yamaha F300 Offshore

Engine Type V6

Displacement 4.2-Liter

Bore x Stroke 96 x 96mm (3.78 x 3.78 in)

Prop Shaft Horsepower 300-hp at 5500 rpm

Full Throttle RPM Range 5000 - 6000 RPM

Alternator Output at W.O.T. 50 - 70 Amp

Compression Ratio 10.3:1

Fuel Induction EFI

Recommended Fuel Octane 89

Recommended Engine Oil Yamalube® 4M (See owner's manual)

Recommended Fuel FiltrationYamaha 10-Micron Fuel/Water Separating Filter (external)

C.A.R.B. Rating 3-Star

Exhaust Through Propeller

Intake 24

Ignition TCI Microcomputer

Spark Plug LFR6A-11

Alternator Output 50 Amp

Starting System Electric w/ PTT

Lubrication Wet Sump

Engine Oil Capacity 6.3L/6.0L

Recommended Cooling Thermostatic Control

Ethanol Blend Limit 10% Maximum

Gear Ratio (25/14) 1.75:1

Gear Shift Forward, Neutral, Reverse

Shaft Length 25" - 30" - 35" (F300 DEC Only)

Degree of Tilt Mechanical 67°, Digital Electric Steering 69°, Bolt-on steering 70°

Degree of Trim -3° through +16°

Dry Weight with built-in DES 25" shaft 277 kg (611 lbs), 30" shaft 283 kg (624 lbs), 35" shaft 288 kg (635 lbs)

Mounting Centers 28.5"

Steering Angle 32° from center, either direction

Warranty Limited 3-year Pleasure, 3-year Government, 1-year Commercial 

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