19-11 Crossbay Blvd,  Broad Channel,  NY 11693,  P: (718) 945-4377, F: (718) 945-4538, bustersmarine@aol.com
Mercury 4hp 4-Stroke
4 HP FourStroke
Taking the fun with you is a great advantage of inflatable boats and small fishing boats.
Mercury offers a complete line of portable FourStroke outboards that are extremely and
portability easy with smart, simple features. Plus, clean, quiet, fuel-efficient FourStroke
performance makes them the obvious power of choice.

Features and Benefits
A standard automatic cylinderdecompression system greatly reduces starting pull force
for effortless starting.
The 4 hp model delivers ultimate portability with its integrated fuel tank and shut-off
valve to prevent fuel spillage.
A full forward-neutral-reverse side shift is standard.


4 FourStroke Specifications
HP @ Prop: 4
kW @ Prop: 2.9
Max RPM (WOT): 4500-5500
Cylinder/Configuration: 1
Displacement (CID/cc): 7.5/123
Bore & Stroke (in): 2.32 x 1.77
Bore & Stroke (mm): 59 x 45
Cooling System: Water-cooled w/thermostat
Ignition System: CDI
Starting: Manual
Gear Ratio: 2.15:1
Gear Shift: F-N-R
Steering: Tiller
Alternator Amp: Optional 4-amp lighting/2-amp charging
Alternator Watt: Optional 50-watt lighting/25-watt charging
Trim Positions: 6
Shallow Water Drive: Standard
Exhaust System: Through prop
Lubrication System: Pressurized wet sump
Recommended Oil: Mercury 4-Stroke Outboard Oil
Oil Capacity: 450 mL / 15 oz
Fuel Induction System: 2-valve pushrod
Integral Fuel Tank (Gal): 0.39 (3.2 Gal. optional)
Integral Fuel Tank (L): 1.1 (12L optional)
Shaft Length (inches): 15/20
Shaft Length (mm): 381/508
Dry Weight (lbs.): 55
Dry Weight (kg.): 25
Operator Warning System: Low oil pressure
Overrev Protection: Standard
Available Propellers: Consult current dealer propeller guide
Warranty: 3 years
Corrosion Warranty: 3 years
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19-11 Crossbay Blvd.
Broad Channel, NY 11693
Phone-(718) 945-4377
Fax-(718) 945-4538
E-Mail: Bustersmarine@aol.com