
Tohatsu 6HP 4-Stroke Outboard Engine Short Shaft
The Tohatsu 6HP 4-Stroke Outboard Engine (Short Shaft) is a compact and lightweight engine, ideal for small boats, dinghies, and shallow transom RIBs. Featuring a single-cylinder OHV 4-stroke design, it provides smooth operation, low vibration, and efficient fuel consumption for freshwater and coastal use.
Our Tohatsu approved technicians provide a detailed inspection video of your engine with every purchase. Powered by CitNow

The Tohatsu 6HP 4-Stroke Outboard Engine (Short Shaft) is a compact and lightweight engine, ideal for small boats, dinghies, and shallow transom RIBs. Featuring a single-cylinder OHV 4-stroke design, it provides smooth operation, low vibration, and efficient fuel consumption for freshwater and coastal use.
The Tohatsu 6HP 4-Stroke Outboard Engine (Short Shaft) is a compact and lightweight engine, ideal for small boats, dinghies, and shallow transom RIBs. Featuring a single-cylinder OHV 4-stroke design, it provides smooth operation, low vibration, and efficient fuel consumption for freshwater and coastal use.
Description
The Tohatsu 6HP Short Shaft 4-Stroke Outboard delivers reliable power in a compact and user-friendly package. Its 139cc single-cylinder OHV engine ensures quiet, smooth operation, while the carbureted fuel system offers simple, dependable fuel delivery and excellent fuel economy.
With a 15” (381 mm) short shaft, this engine is perfect for boats with shallow transoms, providing optimal propeller immersion, stable handling, and efficient thrust. Features include manual or electric start options, tiller steering compatibility, and optional power trim, making operation versatile and convenient for small craft.
Built for durability, the Tohatsu 6HP includes stainless steel fasteners, corrosion-resistant components, and a reliable water-cooling system, suitable for both freshwater and saltwater use. Its compact and lightweight design allows easy transport, mounting, and storage.
Specifications
| Engine | 4 Stroke 1 Cylinder |
|---|---|
| Output | 6 ps (4.4 kw) |
| Displacement | 123 cc (7.5 cu.in.) |
| Bore x Stroke | 59 x 45 mm (2.32 x 1.77 in) |
| Max. RPM Range | 5,000 - 6,000 |
| Starting | Manual |
| Control Type | Tiller Handle |
| Gear Shift | Forward - Neutral - Reverse |
| Gear Ratio | 2.15:1 |
| Propeller Selection Range | 6" - 9" |
| Transom Height | 15", 20", 25" |
| Fuel | Unleaded Gasoline (87 Octane) |
| Oil Type | NMMA Certified FC-W® 4-stroke oil** SAE 10W-30/40 (SF, SG, SH, SJ) |
| Oil Capacity | 450 mL (15 fl. oz.) |
| Fuel Tank | Internal Fuel Tank Models (MFS6DD) : 1.1L (0.29 US Gal.) Integral Tank (Includes an External Fuel Tank Connector installed on engine to allow user to use an optional external fuel tank) External Fuel Tank Models (MFS6DS) : 12L (3.1 US Gal.) Separate Fuel Tank |
| Weight* | 25 kg (55 lbs.) |
| Alternator Output | Optional: 12V, 60W, 5A |
| Digital CD Ignition System | Standard |
| Start In Gear Protection | Standard |
| Thermostat Controlled Cooling System | Standard |
| Through-The-Prop Exhaust | Standard |
| Oil Pressure Warning | Standard |
| Shallow Water Drive | Standard |
What Else is Included:
- Pre-delivery inspection
- Personalised CITNow video
- 7-year Tohatsu warranty
- Authorised dealer support
- Ready to run on arrival
UK Mainland: 2-3 working days
Scottish Highlands: 3-5 working days
International: 5-10 working days








