Engine Specifications - TOHATSU 40 Service Manual

SECTION 2

ENGINE SPECIFICATIONS

Operation
Power
40 ...................................................40 HP [29.4 kW]
50 ...................................................50 HP [36.8 kW]
60 ...................................................60 HP [44.1 kW]
70 ...................................................70 HP [51.5 kW]
80 ...................................................80 HP [58.8 kW]
90 ...................................................90 HP [66.2 kW]
115 ...............................................115 HP [84.6 kW]
120 ...............................................120 HP [88.3 kW]
140 ...............................................140 HP [103 kW]
Full Throttle RPM Range
40D ...................................................... 4500 - 5500
40D ..................................................... 5000 - 5700
2
50D ...................................................... 5000 - 5700
50D ..................................................... 5150 - 5850
2
60B, 70B .............................................. 4900 - 5600
60C, 70C .............................................. 5150 - 5850
80, 90 ................................................... 5000 - 5500
115, 120, 140 ....................................... 5200 - 5700
Idle RPM
40, 50 ........................................... 750
60, 70 ........................................... 750
80, 90, 115, 120, 140 ................... 700
Fuel Consumption at Full Throttle
40 .................................................. 4.5 g/hr [17 L/hr]
50 .................................................. 5.6 g/hr [21 L/hr]
60 .................................................. 6.3 g/hr [24 L/hr]
70 .................................................. 7.4 g/hr [28 L/hr]
80, 90 ............................................ 9.5 g/hr [36 L/hr]
115 .............................................. 13.2 g/hr [50 L/hr]
120 .............................................. 13.2 g/hr [50 L/hr]
140 .............................................. 15.3 g/hr [58 L/hr]
Test Propeller
40, 50 ................................................. 3C8-64111-0
60B, 70B .............................................3F3-64111-0
60C, 70C ............................................ 3B7-64111-0
80, 90 ................................................. 3B7-64111-0
115, 120, 140 ..................................... 3C7-64111-0
Powerhead
Number of Cylinders
40, 50, 60, 70, 80, 90 .............................................3
115, 120, 140 .........................................................4
Displacement
40, 50 .................................... 42.5 cu. in [697 cm
60, 70 .................................... 57.2 cu. in [938 cm
80, 90 .................................... 77.3 cu. in [1267 cm
115, 120, 140 ...................... 107.9 cu. in [1768 cm
2-8
Standard Bore
40, 50 ............................................ 2.677 in [68 mm]
60, 70 ............................................ 2.913 in [74 mm]
80, 90 ............................................ 3.386 in [86 mm]
115, 120, 140 ................................ 3.465 in [88 mm]
Stroke
40, 50 .............................................. 2.52 in [64 mm]
60, 70, 80, 90, 115, 120, 140 ......... 2.86in [72.7mm]
Piston Clearance
40, 50 .............. 0.0012 - 0.0028 in [0.03 - 0.07 mm]
60, 70 .............. 0.0016 - 0.0031 in [0.04 - 0.08 mm]
80, 90 .............. 0.0031 - 0.0051 in [0.08 - 0.13 mm]
115, 120, 140 .. 0.0039 - 0.0055 in [0.10 - 0.14 mm]
Piston Ring End Gap
40, 50 Top Ring ... 0.009 - 0.015 in [0.22 - 0.37 mm]
40, 50 2nd Ring .. 0.013 - 0.019 in [0.33 - 0.48 mm]
60, 70 .................. 0.009 - 0.015 in [0.22 - 0.37 mm]
80, 90 .................. 0.010 - 0.016 in [0.25 - 0.40 mm]
115, 120, 140....... 0.011 - 0.019 in [0.28 - 0.49 mm]
IN Crankshaft Dimensions
GEAR NEUTRAL
900
900
900
Dimension
40, 50 ...................
60, 70 ...................
80, 90 ...................
115, 120, 140 .......
Dimension
80, 90 only ...........
]
3
]
3
]
3
]
3
1
0
2.087 in
- 0.001
- 0.008
2.362 in
- 0.009
0
2.677 in
- 0.001
0
2.677 in
- 0.001
1*
0
2.598 in
- 0.001
T1756
0
[ ]
53
mm
- 0.02
- 0.20
[ ]
60
mm
- 0.22
0
[ ]
68
mm
- 0.02
0
[ ]
68
mm
- 0.02
0
[ ]
66
mm
- 0.02
3-/ 4-Cylinder