Description
4HP SHORT SHAFT YAMAHA 4 STROKE OUTBOARD MOTOR
THE PORTABLE THAT THINKS BIG.
Whisper-quiet, light on fuel, and heavy on fun, the 4hp feels like freedom at full throttle, minus the noise. Whether you’re out solo, ferrying friends, or just escaping the to-do list, this engine makes smooth sailing feel almost unfairly easy.
With modern styling, a comfortable carry handle, and fuel-sipping efficiency, the 4hp blends performance with personality. And when the day’s done? The 4hp stows neatly and asks for nothing. Apart from not to be left behind on tomorrow's adventure of course.
The sleek grey cowling and bold graphics bring a touch of Yamaha attitude to every outing. It's sharp, modern and made for fun, the perfect match for your next day on the water.
Grab and go!
The compact shape and large, soft-grip handle make it easy to lift, load and launch. Whether you're strolling to the slipway or hopping between boats, this little engine carries like a dream, because Yamaha knows adventures should start smoothly.
Zero spills, Zero stress.
Take it from the car to the dock without a single drop of mess. Yamaha's clever breather system means you can store it on its front or either side; no oil leaks, no worries. Just grab, go, and relax knowing your boot, boat, and deck stay spotless.
Smooth turns, tight spots; youve got this!
Docking, weaving, drifting... whatever the day brings, steering feels effortless with simple friction control and full 90 degree turns to either side. Adjust your throttle trim to match your pace, and enjoy that steady, balanced ride Yamaha's famous for, even when you're cruising at pace.
Brand New with Yamaha's 5 Year Warranty
Get unmatched reliability and performance with Yamaha’s 5-year warranty. Covering 2.5hp to XTO models for leisure use, it includes comprehensive parts and labor. Keep your engine in peak condition with Genuine Parts and Yamalube oil at authorised dealers—experience worry-free adventures backed by Yamaha’s trusted excellence.
Engine Specifications:
Engine type: 4 Stroke
Displacement: 139 cc
Fuel Tank: 1.1L
No. of cylinders/configuration: 1, OHV
Bore x stroke: 62.0 mm x 46 mm
Maximum Propeller shaft output: 2.9kW / 5,500 rpm
Full throttle operating range: 4,000 - 5,000 rpm
Lubrication system: Wet Sump
Fuel Induction System: 1-Carb
Ignition / advance system: CDI
Starter system: Manual
Gear ratio: 2.08 (27/13)
Gear Shift: Forward, Neutral, Reverse
Shallow water drive: 3 positions
Dimensions:
Recommended boat transom height: S:435mm
Weight with propeller: F4SMHA: 27.0 kg
Fuel tank capacity: 1.1 litres (Built-in fuel tank)
Oil pan capacity: 0.6 litres
Features:
Control: Tiller handle
Start Method: Manual Pull
Trim and tilt method: Manual
Propeller: Included
Warranty: 5 Years Leisure Use
Delivery & Returns
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