TOHATSU 40 Service Manual page 18

2
Dimension
1.457
40,50 ....................
60,70 ....................
1.467
80,90 .................... 1.732
1.654
115,120, 140 ........
3
Dimension
40, 50 ......................................... 9.173 in [233 mm]
60, 70 .................................... 10.020 in [254.5 mm]
80, 90 ....................................... 11.339 in [288 mm]
115, 120, 140 ........................... 15.669 in [398 mm]
Gearcase
Gear Ratio
40, 50 ............................................... 13 : 24 (0.542)
60B, 70B .......................................... 13 : 23 (0.565)
60C, 70C .......................................... 13 : 28 (0.464)
80, 90, 115, 120, 140 ....................... 13 : 26 (0.500)
Lubricant .............................Genuine manufacturer
gear oil or API GL5, SAE #80 - #90
Capacity
40, 50 ...................... Approx. 17 U.S. fl oz [500 mL]
60B, 70B ................. Approx. 24 U.S. fl oz [700 mL]
60C, 70C ................. Approx. 30 U.S. fl oz [900 mL]
80, 90, 115,120, 140 .............. Approx. 30 U.S. fl oz
Clutch System ..............................Dog clutch type
Electrical System
Ignition Type ............. Flywheel magneto capacitor
Ignition Timing
40D .............................ATDC 3˚ ± 1˚ - BTDC 18˚ ± 1˚
40D ...........................ATDC 3˚ ± 1˚ - BTDC 18˚ ± 1˚
2
50D .............................ATDC 3˚ ± 1˚ - BTDC 24˚ ± 1˚
50D ...........................ATDC 3˚ ± 1˚ - BTDC 20˚ ± 1˚
2
60B .............................ATDC 3˚ ± 1˚ - BTDC 16˚ ± 1˚
60C ..........................ATDC 3˚ ± 1˚ - BTDC 17.5˚ ± 1˚
70B .............................ATDC 3˚ ± 1˚ - BTDC 20˚ ± 1˚
70C ..........................ATDC 3˚ ± 1˚ - BTDC 17.5˚ ± 1˚
80 ...............................ATDC 5˚ ± 1˚ - BTDC 20˚ ± 1˚
90 ...............................ATDC 5˚ ± 1˚ - BTDC 20˚ ± 1˚
115 .............................. ATDC 10˚ - BTDC 17.5˚ ± 1˚
120 .............................. ATDC 10˚ - BTDC 17.5˚ ± 1˚
140 ................................. ATDC 10˚ - BTDC 20˚ ± 1˚
3-/ 4-Cylinder
GENERAL SERVICE INFORMATION
+ 0.002 + 0.05
[
37
in mm
0 0
+ 0.05
+ 0.002
[
37.25
in mm
0
0
+ 0.002 + 0.05
[
in 44
mm
0 0
+ 0.002 + 0.05
[
42
in mm
0 0
[900 mL]
(Forward-Neutral-Reverse)
discharge
Spark Plug (with resistor)
40 ............... NGK BR7HS-10 or Champion RL-82C
50, 60, 70, 80, 90, 115, 120, 140 ...NGK BR8HS-10
]
]
Spark Plug (without resistor)
40 .................... NGK B7HS-10 or Champion L-82C
50, 60, 70, 80, 90, 115, 120, 140 ..... NGK B8HS-10
]
]
Spark Plug Gap ...... 0.035 - 0.039 in [0.9 -1.0 mm]
Battery ................ 12 V, 500 CCA with 105 minutes
Engine Fuse .................................................... 20 A
Alternator
40, 50, 60, 70, 80, 90 ............................ 12 V 130 W
115, 120, 140 ....................................... 12 V 330 W
Charging Performance (at 1500 RPM)
40, 50, 60, 70, 80, 90 ......................................... 3 A
115, 120, 140 .................................................... 12A
Charging Performance (at 5500 RPM)
40, 50, 60, 70, 80, 90 .................................. 9 - 11 A
115, 120, 140 ...................................... 24.5 - 27.5 A
Number of Tachometer-to-Alternator
Coil Impulses
40, 50, 60, 70, 80, 90 .............................................6
115, 120, 140 .......................................................12
Alternator Coil Resistance
40, 50 ........................................... W - Y, 0.2 - 0.3 Ω
60, 70 ............................................. W-Y, 0.2 - 0.3 Ω
80, 90 ......................................................0.2 - 0.3 Ω
115, 120, 140 ......................................0.26 - 0.40 Ω
Ignition Coil Resistance (±25%)
Primary Coil
40, 50 ..................................................0.18 - 0.24 Ω
60, 70 ..................................................0.18 - 0.24 Ω
80, 90 ..................................................0.19 - 0.25 Ω
115, 120, 140 .....................................0.18 - 0.24 Ω
Secondary Coil
40, 50 ....................................................2.7 - 3.7 kΩ
60, 70 ....................................................2.7 - 3.7 kΩ
80, 90 ....................................................3.6 - 4.8 kΩ
115, 120, 140 .......................................2.7 - 3.7 kΩ
or Champion RL-78C
or Champion L-78C
[70 AH] reserve capacity
2-9