Output kW (ps) 5.9 (8) 7.2 (9.8) Max. Operating Range rpm 5000–6000 Idle Speed in Forward Gear rpm 900 Idle Speed in Neutral Gear rpm 950 Engine Type 4-Stroke Number of Cylinder 2 Bore × Stroke mm (in) 55 × 44 (2.17 × 1.73) Piston Displacement mL (Cu in) 209 (12.8) Exhaust System Through hub exhaust Cooling System Water cooling. Re: Increasing HP on 2 stroke Nissan 8 Change the the exhausts cover to the the part from the 9.8 hp. Engine, If you do not know what middle port is then you´d better forget the mods.The carb can safely be drilled to 10% oversize and increase the main jet accordingly.Theese mods makes the engine a kind of a rever and the middle RPMs will suffer, it is always a compromise, and I.
M9.8B
PORTABLE
Tohatsu gives boaters exactly what they need in mid-range portables: more power and less weight! All of these truly portable models offer an incredible horsepower-to-weight ratio, led by the Tohatsu 9.8 2-stroke at just over 26 kgs. Whatever your boating application, these are the ultimate outboards for convenience, reliability and portability.
Tohatsu 2-stroke benefits
- Excellent reliability with proven 2-stroke technology
- Simple in design
Easy operation and handling
- Loop charged induction for smooth operation and fuel economy
- CD ignition system for quicker starts
Fundamentals for user convenience and reliability
- Through-the-prop exhaust for a quiet ride
- Thermostatically controlled cooling system for consistent engine temperature
- Stainless steel water pump housing for outstanding durability
- High grade marine aluminum alloy that provides the ultimate protection against corrosion
- Zinc coating on internal water passages for superior corrosion resistance
- Aluminum propeller
Tohatsu 9.8 Mods For Sale
Protection
- Safety lanyard (an essential protection feature standard on all Tohatsu outboards)
- Start-in-gear protection for safer engine starting
SPECIFICATIONS
| Engine | Two Stroke 2 Cylinder |
|---|---|
| Output | 9.8 ps (7.2 kw) |
| Displacement | 169 cc (10.31 cu.in.) |
| Bore x Stroke | 50 x 43 mm (1.97 x 1.69 in) |
| Starting | Electric or Manual |
| Control Type | Tiller Handle |
| Gear Shift | Forward - Neutral - Reverse |
| Gear Ratio | 2.08:1 (13:27) |
| Ignition System | ATDC1゜- BTDC17゜ |
| Propeller Selection Range | 5' - 9.5' |
| Transom Height | 15', 20', 25' |
| Fuel | Unleaded Gasoline (87 Octane) |
| Oil Type | Genuine recommended 2stroke engine oil (TCW-3) |
| Fuel Tank | 12 L (3.17 US Gal.) Separate Fuel Tank |
| Weight* | 26.0 Kg (57 lbs.) |
| Alternator Output | Optional: 12V, 80W, 7A (Standard on Electric Start Models) |
| Max. RPM Range | 5,000 - 6,000 |
| Start In Gear Protection | Standard |
| Thermostat Controlled Cooling System | Standard |
| Through-The-Prop Exhaust | Standard |
| Shallow Water Drive | Standard |
| Engine lubrication system | Premixed Fuel |
Tohatsu 9.8 Spark Plug
Specifications and descriptions are subject to change without notice.
| Model | Shaft Length | Cylinders | Electric Start | Tiller Handle | 12V Charging System | Remote Fuel Tank | Propeller |
|---|---|---|---|---|---|---|---|
| M9.8BS | 15' | 2 | S | S | S | ||
| M9.8BL | 20' | 2 | S | S | S | ||
| M9.8BUL | 25' | 2 | S | S | S | ||
| M9.8BEFS | 15' | 2 | S | S | S | S | S |
| M9.8BEFL | 20' | 2 | S | S | S | S | S |
- Specifications subject to change without notice. Additional models and/or configurations may be available. Contact your local dealer for details.
Distributors
Tohatsu 9.8 Motor
Use our handy database and find a distributor of your area/country.