XTO OFFSHORE

Miles from shore. No land in sight. Nothing on your mind but the adventure ahead and the formidable offshore gamefish that await. That’s the beauty of having a reliable Yamaha 5.6L V8 XTO Offshore^®behind you. Purpose-built for the rigors of the offshore, the XTO gives you extreme control, precision, and durability—and now up to 450 horses. Go further and with more confidence than ever before—the Yamaha XTO Offshore F450 and F425.

Yamaha 425HP
Weight: 432 kg (952 lbs) / 443 kg (977 lbs) / 453 kg (999 lbs)
Full Throttle RPM Range: 5000 - 6000 RPM
Fuel Induction System: Direct Injection / Up to 2900 PSI
Recommended Engine Oil: Yamalube^® 4M (See owner's manual)
Engine Type: V8 / DOHC / 32 valves / 4 Valves per Cylinder
Displacement: 5.6L
Bore x Stroke: 96 x 96 mm (3.78 x 3.78 in)
Prop Shaft Horsepower: 425hp at 5500 RPM
Alternator Output at W.O.T: 100 Amp Gross, Max
Compression Ratio: 12.2:1
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: 32
Ignition: TCI Microcomputer
Spark Plug: ILMAR7E-9 / Iridium
Starting System: Electric w/ PTT
Lubrication: Wet Sump
Engine Oil Capacity: 7.8L / 8.2 Quarts | 7.5L / 7.9 Quarts
Recommended Cooling: Thermostatic Control
Ethanol Blend Limit: 10% Maximum
Gear Ratio: (25/14) 1.79
Gear Shift: Forward, Neutral, Reverse
Shaft Length: 25" - 30" - 35"
Degree of Tilt: -4° through +73°
Degree of Trim: -4° through +16°
Mounting Centers: 28.5"
Steering: Integrated, Electric Actuation
Steering Angle (maximum): 31° from center, either direction
Warranty: Limited 5-Year Pleasure, 3-Year Government, 1-Year Commercial

Yamaha 450HP
Weight: 437 kg (963 lbs) / 448 kg (988 lbs) / 458 kg (1010 lbs)
Full Throttle RPM Range: 5000 - 6000 RPM
Fuel Induction System: Direct Injection / Up to 2900 PSI
Recommended Engine Oil: Yamalube^® 4M (See owner's manual)
Engine Type: V8 / DOHC / 32 valves / 4 Valves per Cylinder
Displacement: 5.6L
Bore x Stroke: 96 x 96 mm (3.78 x 3.78 in)
Prop Shaft Horsepower: 450hp at 6000 RPM
Alternator Output at W.O.T: 102 Amp Gross, Max (up to 96 Net at idle)
Compression Ratio: 12.3:1
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: 32-valve
Ignition: TCI Microcomputer
Spark Plug: ILMAR7E-9 / Iridium
Starting System: Electric w/ PTT
Lubrication: Wet Sump
Engine Oil Capacity: 7.8L / 8.2 Quarts | 7.5L / 7.9 Quarts
Recommended Cooling: Thermostatic Control
Ethanol Blend Limit: 10% Maximum
Gear Ratio: (25/14) 1.79
Gear Shift: Forward, Neutral, Reverse
Shaft Length: 25" - 30" - 35"
Degree of Tilt: -4° through +73°
Degree of Trim: -4° through +16°
Mounting Centers: 28.5"
Steering: Integrated, Electric Actuation
Steering Angle (maximum): 31° from center, either direction
Warranty: Limited 5-Year Pleasure, 3-Year Government, 1-Year Commercial