Mercury Outboards   
4 Stroke Big Foot - 25 hp   

Portable 4-Stroke

• 4 hp
• 5 hp
• 6 hp
• 9.9 hp
• 15 hp

Big Foot 4-Stroke

• 9.9 Sailpower
• 9.9 hp
• 15 hp
• 25 hp
• 40 hp EFI
• 50 hp EFI
• 60 hp EFI

Mid-Range 4-Stroke

• 30 hp
• 30 hp EFI
• 40 hp
• 40 hp EFI
• 50 hp EFI
• 60 hp EFI
• 75 hp
• 90 hp
• 115 hp EFI

4 Stroke Big Foot
25 hp

• Propshaft Horsepower: 25-hp (18.7 kW)
• Max RPM (W.O.T.): 5500-6000
• Cylinders/Configuration: 2
• Displacement: 30.4 cu.in. (498cc)
• Bore & Stroke: 2.56 in. x 2.95 in. (65mm x 75mm)
• Exhaust System: Through Prop
• Lubrication System: Wet sump
• Cooling System: Water cooled with thermostat and fresh water flush
• Ignition System: Capacitor Discharge
• Starting System: Manual (with decompression) or Electric
• Alternator: Manual 6 amp (76 watt)/Electric 15 amp (189 watt)
• Gear Ratio: 2.4:1
• Gear Shift: F-N-R (front-mounted)
• Steering: Tiller or remote
• Trim System: Gas assist & Power trim models available
• Shaft Length: 15 in. (381mm) / 20 in. (508mm)
• Remote Fuel Tank: Standard 6.6 gallon (25 L)
• Weight-Dry: 175 lbs. (80 kg)
• Operator Warning Systems: Overheat, low oil pressure, overrev
• Standard propeller: Aluminum 3 x 10 7/8"x 11"
• Propeller Options: Black Max, Vengence, QA3, QSS