TOHATSU 2 Stroke Cylinder Series User Manual

GENERAL SERVICE INFORMATION
2-19
1-/ 2-Cylinder
Alternator
2.5, 3.5 ............................................................None
5 ................................... None (Optional - 12V 60W)
8, 9.8 ............................ None (Optional - 12V 80W)
9.9, 15, 18, 25, 30, 40 ...............................12V 80W
Charging Performance (at 1500 RPM)
N/A
Charging Performance (at 5500 RPM)
5 (Optional).........................................................4 A
8, 9.8, 9.9, 15, 18, 25, 30, 40 .............................5 A
Number of Tachometer-to-Alternator
Coil Impulses
2.5, 3.5 .............................................................. N/A
5 ............................................................................ 2
8, 9.8, 9.9, 15, 18, 25, 30, 40 ................................ 4
Alternator Coil Resistance
2.5, 3.5 .............................................................. N/A
5 ......................................................... 0.31 - 0.47
Ω
8, 9.8 .................................................. 0.24 - 0.36 Ω
9.9, 15, 18, 25, 30 .................... Y-W : 0.65 - 0.98 Ω
Y-B : 0.31 - 0.47 Ω
W-B : 0.37 - 0.55 Ω
40 ............................................. Y-W : 0.65 - 0.98 Ω
Y-B : 0.31 - 0.47 Ω
W-B : 0.37 - 0.55 Ω
lgnition Coil Resistance ( ± 25%)
Primary Coil
2.5, 3.5 ............................................... 0.18 - 0.24
Ω
5 ........................................................... 0.2 - 0.38 Ω
9.9, 15, 18, 25, 30, 40 ............................ 0.2 - 0.3 Ω
Secondary Coil
2.5, 3.5 ................................................ 2.7 - 3.7
K Ω
5 .......................................................... 3.0 - 4.4 K Ω
8, 9.8 ............................................... 1.95 - 3.25 K Ω
9.9, 15, 18 ........................................... 4.1 - 6.1 K Ω
25, 30, 40 ............................................ 4.1 - 6.1 K Ω
Fuel and Lubricant System
Required Fuel, Lubricant, and Mix Ratio
See Fuel System Requirements in Section 3
NOTE
A special mix ratio is required during
break-in. See “Break-ln” at end of
this section.
Carburetor
2.5, 3.5 ...........................................SIide valve type
carburetor, float feed
5, 8, 9.8, 9.9, 15,
18, 25, 30, 40 ........................... Butterfly valve type
carburetor, float feed

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