4.3L V6 OFFSHORE F350

Dark blue water. Miles from land. Nothing but you, your crew and the monsters raring to give you a run for your money. Year after year—your love of the offshore remains unchanged. Your tech on the other hand is always the most advanced—including your outboard. The all-new 4.3L V6 Offshore F350 merges all the best tech from our full line of outboards with some impressive tech of its own. The result is a perfectly balanced, deep breathing V6 that delivers jaw-dropping power and the best power-to-weight in its class—the new, 4.3L V6 Offshore F350.

Yamaha 350HP
Weight: 286 kg (629 lbs) / 291 kg (642 lbs) / 296 kg (653 lbs)
Full Throttle RPM Range: 5000 - 6000 RPM
Fuel Induction System: EFI
Recommended Engine Oil: Yamalube^® 4M (See owner's manual)
Engine Type: V6
Displacement: 4.3L
Bore x Stroke: 96 x 98 mm (3.78 x 3.86 in)
Prop Shaft Horsepower: 350hp at 6000 RPM
Alternator Output at W.O.T: 50 – 70 amp
Compression Ratio: 11.0:1
Recommended Fuel: Octane 89
Recommended Fuel Filtration: Yamaha 10-Micron Fuel / Water Separating Filter (external)
C.A.R.B. Rating: 3-Star
Exhaust: Through Propeller (Except in Reverse Under 2500 RPM)
Intake: 24
Ignition: TCI Microcomputer
Spark Plug: ILMAR7E-9 / Iridium
Starting System: Electric w/ PTT
Lubrication: Wet Sump
Engine Oil Capacity: 7.9 L/ 7.6 L
Recommended Cooling: Thermostatic Control
Ethanol Blend Limit: 10% Maximum
Gear Ratio: 1.75:1
Gear Shift: Forward, Neutral, Reverse
Shaft Length: 25" - 30" - 35"
Degree of Tilt: 69°
Degree of Trim: -3° through +16°
Mounting Centers: 28.5"
Steering: Integrated, Electric Actuation
Steering Angle (maximum): 32° from center, either direction
Warranty: Limited 5-Year Pleasure, 3-Year Government, 1-Year Commercial