Tohatsu
Tohatsu 100HP 4-Stroke EFI Outboard Engine Ultra Long Shaft
Official Tohatsu outboard — sold, inspected & registered by Marine Chandlery.
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The Tohatsu 100HP 4-Stroke Outboard Engine (Ultra Long Shaft) combines strong performance, advanced fuel injection, and reliability for demanding boating applications. Designed for deeper transom boats, it provides excellent thrust, smooth acceleration, and fuel efficiency for...
The Tohatsu 100HP 4-Stroke Outboard Engine (Ultra Long Shaft) combines strong performance, advanced fuel injection, and reliability for demanding boating applications. Designed for deeper transom boats, it provides excellent thrust, smooth acceleration, and fuel efficiency for offshore vessels, RIBs, and cruising boats.
Description
The Tohatsu 100HP Ultra Long Shaft 4-Stroke Outboard delivers powerful yet efficient performance with its 1.6L DOHC 4-cylinder engine. The Electronic Fuel Injection (EFI) system ensures precise fuel delivery, smooth throttle response, and improved fuel economy.
With its 25” (635 mm) ultra-long shaft, the engine is ideal for deeper transom boats, providing excellent propeller immersion and stability in rougher waters. Features include electric start, power trim and tilt, and remote control operation, making it easy to handle in a variety of boating conditions.
Built to last in both saltwater and freshwater, this engine incorporates stainless steel components, robust cooling, and corrosion-resistant protection. A high-output alternator supports onboard electronics, making the Tohatsu 100HP Ultra Long Shaft a dependable choice for fishing boats, offshore RIBs, and coastal cruisers seeking both performance and durability.
Specification
| Engine | 4 Cylinder |
| Output | 100 ps (73.6 kw) |
| Displacement | 1995 cc (121.6 cu.in.) |
| Bore x Stroke | 84 x 90 mm (3.30 x 3.55 in) |
| Max. RPM Range | 5,150 - 5,850 |
| Starting | Electric |
| Control Type | Remote Control or Tiller Handle |
| Gear Shift | Forward -- Neutral -- Reverse |
| Gear Ratio | 2.08: 1 |
| Ignition System | MicroComputer Programmed |
| Transom Height | 20 ", 25 " |
| Fuel | Unleaded Gasoline (87 Octane) or higher |
| Oil Type | NMMA Certified FC-W* 4-stroke oil** |
| Oil Capacity | 4.2 L (1.11 gal.) W / filter |
| Weight * | 178 kg (392 lbs.) |
| Alternator Output | 12V, 492W, 41A |
| Electronic Fuel Injection | Standard |
| Start In Gear Protection | Standard |
| Thermostat Controlled Cooling System | Standard |
| Through-The-Prop Exhaust | Standard |
| Overheat Buzzer | Standard |
| Oil Pressure Warning | Standard |
| Power Trim. and Tilt | Standard |
| Variable Idle Speed | Standard |
Before your engine leaves us, our engineers perform a thorough pre-delivery inspection — checking all mechanical components, flushing the system, and confirming everything is running as it should.
The entire process is recorded using the CitNow platform, giving you a professional, time-stamped video walkthrough of your engine's condition at the point of sale.
The CitNow video link is sent straight to you via SMS or email — before collection or dispatch — so you have full confidence in the condition of your new engine.
After purchase, our team submits your engine's warranty registration directly with Tohatsu. You don't need to fill in any forms or visit any websites.
The 7-year warranty covers manufacturing defects and component failures under normal use — giving you long-term protection and real peace of mind on the water.
Because we're an official Tohatsu dealer, your warranty is fully valid and backed by the manufacturer. Buying from an unauthorised source can void your warranty entirely.
- 7-year warranty registered on your behalf
- CitNow PDI video — free with every engine
- Fully inspected before delivery
- Marine specialists since 1990
- North Shields store — same-day collection
- Expert after-sales support
Why buy from Marine Chandlery?
- UK marine specialists, based in North Shields
- Quick UK Mainland delivery available
- Same-day collection from our store
- Expert advice before and after purchase
- Carefully selected marine-grade products
- Secure checkout & trusted payment options
