TOHATSU 2 Stroke Cylinder Series User Manual

SECTION 3
3-8
1-/ 2-Cylinder
DESCRIPTION OF OPERATION
There are two types of fuel systems, models 2.5 and 3.5 use a gravity
fed fuel system. Models 5 through 40 have a fuel pump.
2.5 / 3.5 Fuel Flow
Prior to starting, the air vent on fuel cap (1) and fuel cock (2)
must be opened. The difference in air pressure and gravity
force fuel from the fuel tank to the float chamber
(3) through the
needle valve into the carburetor. When pull the recoil starter, air is
sucked into the carburetor from
(4) and mixed with fuel and then
pulled into the crankcase.
T1103
1
1

TOHATSU 2 Stroke Cylinder Series Specifications

General

Engine Type	2-Stroke
Fuel System	Carburetor
Ignition System	CDI
Fuel/Oil Mixture Ratio	50:1
Full Throttle Operating Range	4500 - 5500 rpm
Starting System	Manual recoil
Gear Ratio	2.08:1
Gear Shift	Forward, Neutral
Exhaust	Through propeller hub
Oil Tank Capacity	N/A (pre-mix)
Recommended Fuel	Unleaded gasoline (min 87 octane)
Recommended Oil	TCW3 Outboard Oil