Tohatsu
Tohatsu M3.5 B: specifications
The Tohatsu M3.5 B is an outboard rated at 3.5 hp with single-cylinder architecture.
Key figures
- Power
- 3.5hp
- Dry weight
- 13kg
- Displacement
- 75cm³
- Alternator output
- n/a
- Indicative price
- n/a
- Maximum warranty
- 7years
Sources and technical context
Document year: 2026.
Manufacturer's official documentation. The original document link has not yet been recorded for this page.
Notes and conditions (FR)
Technical specifications
Block & combustion
| Architecture | L1 |
|---|---|
| Cylinders | 1 |
| Cycle | 2-stroke |
| Displacement | 75 cm³ |
| Bore × stroke | 47 × 43 mm |
| Compression ratio | n/a |
| Max rpm | 4200–5300 rpm |
| Specific output | 47 hp/L |
| Fuel system | Carburateur |
| Min. fuel | RON 91 (87 AKI) |
Transmission & gearcase
| Gear ratio | 2,15:1 |
|---|---|
| Propeller configuration | Rotation standard |
| Counter-rotating dual prop | n/a |
| 2-speed gearbox | No |
| Counter-rotating version | No |
| Available shafts | 15"/20" |
Weight & footprint
| Dry weight (transom load) | 13 kg (version la plus légère) |
|---|---|
| Power-to-weight ratio | 0.27 hp/kg |
Electrical charging
| Alternator (max) | n/a |
|---|---|
| Amps per horsepower | n/a |
Control & integration
| Digital throttle & shift (DBW) | No |
|---|---|
| Control | Barre franche |
| Steering | n/a |
| Power steering | No |
| Docking joystick | No |
| GPS position hold | No |
| Direct injection | No |
| VTEC (variable timing) | No |
Cost & warranty
| Public price | n/a |
|---|---|
| Cost per horsepower | n/a |
| Base warranty | 7 years |
| Maximum warranty (conditional) | 7 years |
Head to head with its direct rivals
Prices, warranties and test conditions are not harmonised. They remain visible but do not determine strengths or rankings.
Side-by-side figures for the M3.5 B against Mercury TwoStroke 3.3, on the criteria that drive the purchase.
| Criterion | M3.5 B | Mercury TwoStroke 3.3 |
|---|---|---|
| Power hp | 3.5 | 3.3 |
| Dry weight kg | 13 | 13 |
| Power / weight hp/kg | 0.27✓ | 0.25 |
An index requires at least two criteria documented for every compared engine. “n/a” means the available data cannot assess this use; it is not a poor rating.