2020 Mercury 4 HP 4MH Outboard Motor

Mercury's 4 HP 4MH outboard is a small, single-cylinder portable aimed at fishing boats, compact inflatables, and sailboat auxiliary duty, built on a short 15-inch shaft with manual start and tiller steering. It is new, weighs 55.0 lbs, and per its own spec sheet carries a model year of 2019. Why it suits a small boat With a built-in carry handle and a weight light enough for one person to lift on and off a transom without a hoist, this is an engine suited to short outings close to shore where its internal tank means there is nothing extra to mount. Construction Running gear starts with a 2.15:1 gearset and CDI ignition carrying spark advance, shifting forward-neutral-reverse through a lever mounted at the front of the leg. The water pump housing is stainless, with zinc-coated passages and sacrificial anodes protecting against saltwater corrosion inside marine-grade alloy castings. Is a propeller included? Yes, a 3-blade aluminum propeller comes with it. What warranty applies to this motor? Mercury Marine's 3-year warranty. Confirm the model year with us before ordering, since the listing title and the spec sheet disagree on it; everything else about this short-shaft, manual-start 4 hp matches across both. Keep the internal tank topped off before longer outings, since there is no remote tank option built into this version. Specifications MODEL 4MH MODEL YEAR 2019 SKU 4MH-19 WEIGHT 55.0 lb MANUFACTURER Mercury COUNTRY OF MANUFACTURE Japan HORSEPOWER 4hp SHAFT LENGTH 15″ (Short) STEERING Tiller STARTING Manual TRIM & TILT Manual FUEL DELIVERY Carburetor FUEL TANK Internal CYLINDER(S) 1 DISPLACEMENT 7.5/123 BORE AND STROKE 2.32 x 1.77 FULL THROTTLE RPM RANGE 4500-5500 IGNITION SYSTEM CDI INDUCTION SCAVENGING OHV VALVES PER CYLINDER 2 FUEL TYPE 87 Octane (up to 10% ethanol content) FUEL TANK / FUEL LINE 0.3 US Gallon (1.15 liter) OIL TYPE SAE 10W-30 (Mercury 4-Stroke Outboard Oil) OIL CAPACITY 15 fl. Oz. (450 ml) LUBRICATION Pressurized wet sump ALTERNATOR Optional 12V 50W 4A (installation required) COOLING SYSTEM Water-cooled w/thermostat SALTWATER RATED Yes GEAR RATIO 2.15:1 GEAR SHIFT Forward-Neutral-Reverse (forward mounted shift lever) PROPELLER 7.7″ Diameter X 7.0″ Pitch 3-Blade Aluminum