Yamaha F4 BMHS Outboard from Marine Tech, Norfolk Broads
$1,205.00
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Yamaha F4 BMHS Outboard for families to get on the water easily, or for a yacht owner wanting a handy auxiliary the Yamaha F4 offers the smartest solution.
Yamaha F4 BMHS Outboard – 4hp High-Thrust Four-Stroke Engine
Product Description
The Yamaha F4 BMHS is a compact, high-thrust 4 horsepower four-stroke outboard, engineered for small boats, tenders, and day cruisers navigating the calm yet occasionally challenging waters of the Norfolk Broads. The High-Thrust (HS) design provides greater propeller torque for improved control, especially on heavier boats or when moving against currents.
This lightweight, fuel-efficient engine combines quiet operation with Yamaha’s renowned reliability. Its four-stroke design ensures low emissions, reduced fuel consumption, and minimal maintenance, making it an environmentally conscious choice for freshwater boating. Ideal for anglers, leisure boaters, or anyone needing a dependable outboard, the F4 BMHS balances portability, power, and precision handling.
Key Features
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4 horsepower four-stroke engine – smooth and reliable
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High-thrust propeller – superior control on heavier boats and in currents
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Lightweight and portable – easy to carry, mount, and store
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Quiet operation – perfect for fishing or serene cruising
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Fuel-efficient and eco-friendly – reduced emissions and running costs
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Durable, low-maintenance design – suitable for long-term use in freshwater
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Manual start with responsive tiller steering – easy handling for all users
Specifications
| Feature | Specification |
|---|---|
| Engine Type | 4-stroke, single-cylinder |
| Displacement | 139 cc |
| Maximum Power | 4 hp (2.9 kW) |
| Shaft Length | 15 inches (long shaft) |
| Starting System | Manual |
| Gear Ratio | 2.08:1 |
| Fuel Type | Unleaded petrol |
| Ignition | CDI (Capacitor Discharge Ignition) |
| Lubrication | Wet sump |
| Weight | Approx. 23 kg |
| Propeller | 3-blade high-thrust aluminum |
| Cooling System | Water-cooled |
| Trim / Tilt | Manual tilt |
| Steering | Tiller handle |
| Recommended Use | Small boats, tenders, leisure craft, anglers in rivers, broads, and coastal waters |
The Yamaha F4 BMHS is ideal for Norfolk Broads boating enthusiasts who need reliable, high-thrust performance in a compact and lightweight package. Its combination of efficiency, control, and durability makes it a top choice for small vessels navigating rivers, broads, or calm coastal areas.

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