TOHATSU BFT115A Service Manual page 20

SERVICE INFORMATION
Part
Thermostat Begin to
open
Fully open
Valve lift
ECT sensor 1, 2, Resistance
3, 4
IAC valve Resistance (20°C/68 °F)
A/F sensor Resistance (20°C/68 °F)
FRAME
Part
Vertical shaft Shaft O.D. (at needle bearing)
Runout
Bushing I.D.
(XC, XU, XD, XCD types)
Propeller shaft Shaft O.D.
Runout
Propeller/gear Forward bevel gear backlash
case/extension
Reverse bevel gear backlash
case
(XCD type)
Thrust clearance adjustment
(XCD type)
Power trim/tilt as- Lower chamber blow pressure
sembly
Upper chamber blow pressure
Power tilt motor Brush length
assembly
Mica depth
ENGINE & FRAME TORQUE VALUES
Use standard torque values for fasteners that are not listed in this table.
ENGINE
Item
Lower block bolt (11 x 95 mm)
Lower block orifice
20 mm cylinder block sealing bolt
22 mm cylinder block sealing bolt
28 mm cylinder block sealing bolt
Oil jet bolt
Cylinder head bolt
Cylinder head sealing bolt
Spark plug
Connecting rod bolt
*1: Tighten the lower block bolts to 30 N·m (3.1 kgf·m, 22 lbf·ft) (Snag torque) first, then tighten them an additional 56° (Angle
method).
*2: New bolt:
Tighten the new cylinder head bolts to 40 N·m (4.1 kgf·m, 30 lbf·ft) (Snag torque) first, then tighten them an additional 278°
(Tighten to 90° at first, then to 90°, and to 98° in this order) (Angle method).
Used bolt:
Tighten the cylinder head bolts to 40 N·m (4.1 kgf·m, 30 lbf·ft) (Snag torque) first, then tighten them an additional 180°
(Tighten to 90° at first, then to 90° in this order) (Angle method).
*3: Tighten the connection rod bolt to 20 N·m (2.0 kgf·m, 15 lbf·ft) (Snag torque) first, then tighten them an additional 90° (Angle
method).
2-4
Item
Cylinder head side 48 – 52 °C (118 °F – 126 °F)
Cylinder block side 58 – 62 °C (136 °F – 144 °F)
Cylinder head side 60 °C (140 °F)
Cylinder block side 70 °C (158 °F)
more than 3.0 (0.12)
40°C /104 °F 1.0 – 1.3 kΩ
100°C/212 °F 0.1 – 0.2 kΩ
10.6 – 12.6 Ω
0.86 – 1.10 Ω
Item
28.566 – 28.575 (1.1246 – 1.1250)
0.30 (0.012) or below
22.05 – 22.10 (0.868 – 0.870)
At needle 30.007 – 30.020 (1.1814 – 1.1819)
bearing
At forward bevel 24.987 – 25.000 (0.9837 – 0.9843)
gear (LC, LU, LD,
XC, XU, XD types)
At reverse bevel 24.987 – 25.000 (0.9837 – 0.9843)
gear (XCD type)
0.02 (0.001) or below
0.10 – 0.30 (0.004 – 0.012)
0.10 – 0.35 (0.004 – 0.014)
0.2 – 0.4 (0.008 – 0.016)
13,239 – 15,691 kPa
(135 – 160 kgf/cm
3,923 – 7,355 kPa (40 – 75 kgf/cm
9.8 (0.39)
Thread Dia. (mm) and
pitch (length)
M11 x 1.5
M10 x 1.0
M20 x 1.0
M22 x 1.5
M28 x 1.5
M8 x 0.75
M11 x 1.5
M20 x 1.0
M14 x 1.25
M8 x 0.75
Standard
Standard
2
, 1,920 – 2,276 psi)
2
, 569 – 1,067 psi)
–
Torque values
N·m kgf·m
*1
10 1.0
34 3.5
54 5.5
128 13.1
16 1.6
*2
45 4.6
18 1.8
*3
Service limit
–
–
–
–
–
–
–
–
–
Unit: mm (in)
Service limit
28.545 (1.1238)
–
–
29.990 (1.1807)
24.966 (0.9829)
24.966 (0.9829)
–
–
–
–
4.8 (0.19)
0.50 (0.020)
lbf·ft
– –
7
25
40
94
12
– –
33
13
– –