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FourStrokes
75 - 115 hp | 40 - 60 hp | 25 - 30 hp | 20 hp & Below
Mercury FourStrokes have long led the pack with clean, quiet, fuel-efficient outboard power, and now the gap has grown even wider.
Mercury engineers implemented a new shift design which provides easier shifting. We refined the throttle resolution setting for smoother low speed operation. Plus, all the 40-60hp FourStrokes feature new styling, graphics, a cowl latching system and much more!
The 40-60hp are available in both Standard and BigFoot gearcase models.
BigFoot models are perfect for pontoons and large boats, while the Standard models are ideal for aluminum fishing boats, bay boats and inflatables.
The Mercury 40-60hp FourStrokes models distinguish themselves with many features you just won’t find on other engines. Features that make your boating experience a pure pleasure.
| |
60 hp EFI |
Flyway 60 hp EFI |
60 EFI BigFoot |
50 EFI |
| HP @ Prop |
60 |
N/A |
60 |
50 |
| kW @ Prop |
45 |
N/A |
45 |
37 |
| Propshaft Rated HP |
N/A |
110 (82 kW) |
N/A |
N/A |
| Max RPM (WOT) |
5500-6000 |
5250-5750 |
5500-6000 |
| Cylinder/Configuration |
4 (in-line) |
V-6 (60 degree vee) |
4 (in-line) |
| Displacement (CID/cc) |
60.8/995 |
153/2507 |
60.8/995 |
| Bore & Stroke (in) |
2.56 x 2.95 |
3.50 x 2.65 |
2.56 x 2.95 |
| Bore & Stroke (mm) |
65 x 75 |
89 x 67 |
65 x 75 |
| Cooling System |
Water-cooled w/thermostat |
Water-cooled w/ thermostat & pressure controlled |
Water-cooled w/thermostat |
| Ignition System |
ECM 555 Digital Inductive |
PCM 07 |
ECM 555 Digital Inductive |
| Starting |
Electric (Turn key) |
Electric |
Electric (Turn key) |
| Gear Ratio |
1.83:1 |
N/A |
2.33:1 |
1.83:1 |
| Gear Shift |
F-N-R |
| Steering |
Remote or tiller |
Remote |
Remote or tiller |
| Alternator Amp |
18 |
60 (belt-driven) |
18 |
| Alternator Watt |
223 |
756 (belt-driven) |
223 |
| Trim System |
Power trim |
| Exhaust System |
Through prop |
| Lubrication System |
Integrated Wet Sump |
Electronic multipoint oil injection |
Integrated Wet Sump |
| Fuel/ Ethanol Tolerance |
87 Octane / Up to 10% |
N/A |
87 Octane / Up to 10% |
| Recommended Oil |
Mercury Synthetic Blend 25W-40 |
Mercury OptiMax/DFI Engine Oil |
Mercury Synthetic Blend 25W-40 |
| Fuel Induction System |
2-Valve per Cylinder, Single Overhead Cam (SOHC) |
2-stage direct fuel injection |
2-Valve per Cylinder, Single Overhead Cam (SOHC) |
| Shaft Length (inches) |
20 |
20, 27" length with jet pump |
20 |
| Shaft Length (mm) |
508 |
508, 686 mm length with jet pump |
508 |
| Dry Weight (lbs.) |
247 |
447 (with pump), 391 (without pump) |
260 |
247 |
| Dry Weight (kg.) |
112 |
202 (with pump), 177 (without pump) |
118 |
112 |
| Operator Warning System |
SmartCraft Engine Guardian |
Overheat, low oil level |
SmartCraft Engine Guardian |
| Available Propellers |
Consult current dealer propeller guide |
N/A |
Consult current dealer propeller guide |
| SmartCraft |
Yes |
| CARB Star Rating |
3 |
2 |
3 |
| Limited Warranty |
3-Year Non-Declining and 3-Year Corrosion Failure |
3 years |
3-Year Non-Declining and 3-Year Corrosion Failure |
| |
50 EFI BigFoot |
40 EFI |
40 EFI BigFoot |
| HP @ Prop |
50 |
40 |
| kW @ Prop |
37 |
30 |
| Max RPM (WOT) |
5500-6000 |
| Cylinder/Configuration |
4 (in-line) |
3 (in-line) |
| Displacement (CID/cc) |
60.8/995 |
45.6/747 |
| Bore & Stroke (in) |
2.56 x 2.95 |
| Bore & Stroke (mm) |
65 x 75 |
| Cooling System |
Water-cooled w/thermostat |
| Ignition System |
ECM 555 Digital Inductive |
| Starting |
Electric (Turn key) |
| Gear Ratio |
2.33:1 |
2.00:1 |
| Gear Shift |
F-N-R |
| Steering |
Remote |
Remote or tiller |
| Alternator Amp |
18 |
16 |
| Alternator Watt |
223 |
193 |
| Trim System |
Power trim |
Gas assist or power trim |
| Exhaust System |
Through prop |
| Lubrication System |
Integrated Wet Sump |
| Fuel/ Ethanol Tolerance |
87 Octane / Up to 10% |
| Recommended Oil |
Mercury Synthetic Blend 25W-40 |
Mercury 4-Stroke Oil 10W-30 |
| Fuel Induction System |
2-Valve per Cylinder, Single Overhead Cam (SOHC) |
| Shaft Length (inches) |
20 |
15/20 |
| Shaft Length (mm) |
508 |
381/508 |
| Dry Weight (lbs.) |
260 |
216 |
| Dry Weight (kg.) |
118 |
98 |
| Operator Warning System |
SmartCraft Engine Guardian |
| Available Propellers |
Consult current dealer propeller guide |
| SmartCraft |
Yes |
| CARB Star Rating |
3 |
| Limited Warranty |
3-Year Non-Declining and 3-Year Corrosion Failure |
Features
Best Suited For:
Pontoons (BigFoot models)
Flats Boats (BigFoot models)
16' - 18' aluminum boats
(standard & BigFoot models)
13' - 16' Inflatables
Skiffs
Utility
Easy starts; smooth running - The 40 - 60 hp Mercury engines are Electronically Fuel-Injected, which provides turn-key starting, increased power, improved fuel economy and spectacular reliability.
Take it slow - On 40-60 hp equipped with SmartCraft, the TROLL CONTROL feature allows you to set your rpm as low as 700 for trolling or running through extended no-wake zones.
Less fuel means more fun - The 40-60 hp models deliver up to 40% better fuel economy than carbureted 2- stroke models and up to 20% better than direct injected 2-strokes.
Peace of mind - ENGINE GUARDIAN uses more than 40 sensors to monitor functions of your engine. If the proactive operator-warning system detects a potential problem - such as over-revving, overheating or low oil pressure - Engine Guardian sends out an alert and automatically reduces engine power to prevent damage.
Easy Shifting - A New PRECISION ENGINEERED SHIFT system delivers smooth, positive shifting for an improved driving experience.
Lineup
60 hp EFI
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Flyway 60 hp EFI
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50 hp EFI
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40 hp EFI
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