Two Stroke · Portable
Tohatsu M3.5A2/B2
Understanding this Tohatsu model
Tohatsu M3.5A2/B2 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 2.5 ps (1.8 kw), 74.6 cc (4.55 cu.in.), Two Stroke 1 Cylinder. VerFinder separates manufacturer facts from selection context and keeps the complete specification table below for checking the exact configuration.
Key verified facts
- Output
- 2.5 ps (1.8 kw)
- Displacement
- 74.6 cc (4.55 cu.in.)
- Engine
- Two Stroke 1 Cylinder
- Weight
- 12.5 Kg (28 lbs.)
- RPM range
- 4,200 - 5,300
- Starting
- Manual
- Control
- Tiller Handle
- Gear ratio
- A2 type 1.85:1 (13:24), B2 type 2.15:1 (13:28)
- Fuel
- Unleaded Gasoline (87 Octane)
Where it fits in the Tohatsu range
Within the Two Stroke series, VerFinder places Tohatsu M3.5A2/B2 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 1 Cylinder
- Output
- 2.5 ps (1.8 kw)
- Displacement
- 74.6 cc (4.55 cu.in.)
- Bore x Stroke
- 55 x 43 mm (2.17 x 1.69 in)
- Max. RPM Range
- 4,200 - 5,300
- Starting
- Manual
- Control Type
- Tiller Handle
- Gear Shift
- Forward - Neutral
- Gear Ratio
- A2 type 1.85:1 (13:24), B2 type 2.15:1 (13:28)
- Propeller Selection Range
- 4.5" - 7"
- Transom Height
- 15", 20"
- Fuel
- Unleaded Gasoline (87 Octane)
- Oil Type
- Genuine recommended 2stroke engine oil (TCW-3)
- Fuel Tank
- 1.4 L (0.37 US Gal.) Integral Tank
- Weight*
- 12.5 Kg (28 lbs.)
- 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 M3.5A2/B2?
Tohatsu M3.5A2/B2 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 M3.5A2/B2?
The official Tohatsu specification lists the output as 2.5 ps (1.8 kw).
What are the key technical specifications of Tohatsu M3.5A2/B2?
The complete verified specification table is shown on this page. Key values include 2.5 ps (1.8 kw), 74.6 cc (4.55 cu.in.), Two Stroke 1 Cylinder, 12.5 Kg (28 lbs.).
What should be checked before installing Tohatsu M3.5A2/B2?
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