Two Stroke · Portable
Tohatsu M8B
Understanding this Tohatsu model
Tohatsu M8B is a compact two-stroke outboard where low weight, simple mechanics and portability are priorities. It sits in the Two Stroke series and VerFinder classifies it as Portable. Verified official specifications include 8 hp (5.9 kw), 169 cc (10.31 cu.in.), Two Stroke 2 Cylinder. VerFinder separates manufacturer facts from selection context and keeps the complete specification table below for checking the exact configuration.
Key verified facts
- Output
- 8 hp (5.9 kw)
- Displacement
- 169 cc (10.31 cu.in.)
- Engine
- Two Stroke 2 Cylinder
- Weight
- 26.0 Kg (57 lbs.)
- RPM range
- 4,500 - 5,500
- Starting
- Manual
- Control
- Tiller Handle
- Gear ratio
- 2.08:1 (13:27)
- Fuel
- Unleaded Gasoline (87 Octane)
Where it fits in the Tohatsu range
Within the Two Stroke series, VerFinder places Tohatsu M8B beside the nearest published Tohatsu models shown below. This is a catalogue position, not a performance ranking: final selection depends on hull, load and exact configuration.
Technologies and characteristics
Official technology and feature names shown by Tohatsu for this model:
- Tohatsu 2-stroke benefits
- Easy operation and handling
- Fundamentals for user convenience and reliability
- Protection
Technical specifications
- Engine
- Two Stroke 2 Cylinder
- Output
- 8 hp (5.9 kw)
- Displacement
- 169 cc (10.31 cu.in.)
- Bore x Stroke
- 50 x 43 mm (1.97 x 1.69 in)
- Max. RPM Range
- 4,500 - 5,500
- Starting
- Manual
- Control Type
- Tiller Handle
- Gear Shift
- Forward - Neutral - Reverse
- Gear Ratio
- 2.08:1 (13:27)
- Propeller Selection Range
- 5" - 9.5"
- Transom Height
- 15", 20"
- 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
- Start In Gear Protection
- Standard
- Thermostat Controlled Cooling System
- Standard
- Through-The-Prop Exhaust
- Standard
- Shallow Water Drive
- Standard
- Engine lubrication system
- Premixed Fuel
Before choosing a configuration
Check the boat manufacturer’s permitted horsepower and transom specification, shaft length, steering/control type, starting system, trim/tilt equipment, propeller choice and the installed weight of the exact configuration.
Frequently asked questions
What type of outboard is Tohatsu M8B?
Tohatsu M8B is a Tohatsu Two Stroke-series outboard. VerFinder classifies it in the Gasoline section and the Portable class.
What is the rated output of Tohatsu M8B?
The official Tohatsu specification lists the output as 8 hp (5.9 kw).
What are the key technical specifications of Tohatsu M8B?
The complete verified specification table is shown on this page. Key values include 8 hp (5.9 kw), 169 cc (10.31 cu.in.), Two Stroke 2 Cylinder, 26.0 Kg (57 lbs.).
What should be checked before installing Tohatsu M8B?
Before installation, verify permitted horsepower, transom and shaft length, controls, starting, trim/tilt, propeller selection and installed weight for the exact version.
Verified official source
Sources and verification
Source checked: 2026-09-02