Yamaha Outboard Motor LWK6GRRX2 XF425XSA7 V8 5.6L 425 HP 2021 Info
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
Full Throttle RPM Range: 5000 - 6000 RPM
Alternator Output at W.O.T.: 90 Amp Gross, Max
Compression Ratio: 12.2:1
Fuel Induction System: Direct Injection / Up to 2900 PSI
Weight: 432 kg (952 lbs)
Recommended Fuel: Octane 89
Recommended Engine Oil: Yamalube® 4M (See owner's manual)
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
Alternator Output: 90 Amps Gross, Max
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"
Degree of Tilt: -4° through +73°
Degree of Trim: -4° through +16°
Dry Weight: 25" shaft / 432 kg (952 lbs)
Mounting Centers: 28.5"
Steering: Integrated, Electric Actuation
Steering Angle (maximum): 31° from center, either direction
