Mercury 4 HP Twostroke – Compact and lightweight in design, Mercury TwoStroke portables are ideal for inflatables, car toppers and small tinnies. With features like an integrated fuel tank, F-N-R and 6 trim positions, Mercury Portables are easy to handle on the water and off.

Propshaft Rated Horsepower 4hp (3kw)
Max RPM at Full Throttle 4500-5500
Cylinder 1
Displacement  6.2 cu in (102cc)
Bore & Stroke (mm) 55mm x 43mm
Cooling System Water-cooled
Ignition Capacitor discharge
Starting Manual
Gear Ratio 2.15:1
Gear Shift F-N-R
Steering Tiller 
Alternator System Optional 4amp
Trim Positions 6
Fuel Tank Integral 2.5litres (remote opt.)
Weight 20kg
Shaft Length

15″ (M)


Propeller Drive Splined rubber hub
Prop Selection (Pitch) 6″ – 8″
Induction System Loop-charged (1 carb)
Oil Injection Pre-mix
SmartCraft Capabilities NO
Warranty** 3 + 2 = 5 years

 *Weight specification is based on the lightest version

**Warranty Conditions apply