14
E
SPEC
TIGHTENING TORQUES
Drive coupling – drive shaft
—
—
1
28
2.8
20
572
LT
Reduction drive gear case
– crankcase
1st
Bolt
M6
2
3.7
0.37
2.7
572
LT
2nd
7.6
0.76
5.5
1st
Bolt
M8
7
15
1.5
11
572
LT
2nd
28
2.8
20
Holder (relief valve) –
reduction drive gear case
Bolt
M6
1
10
1.0
7.2
E
Bearing housing –
reduction drive gear case
1st
Bolt
M8
4
15
1.5
11
E
2nd
28
2.8
20
Negative battery lead –
starter motor
Nut
—
1
18
1.8
13
A
Starter motor lead – starter motor
Bolt
M8
1
4.9
0.49
3.5
A
Starter motor – crankcase
Bolt
M8
1
18
1.8
13
Generator cover –
crankcase
1st
Bolt
M10
8
15
1.5
11
572
LT
2nd
50
5.0
36
Rotor – crankshaft
Bolt
M10
1
75
7.5
54
E
Rotor – starter clutch
Bolt
M8
6
24
2.4
17
Washer/pickup coil lead and
lighting coil lead – generator
Bolt
M5
3
4.9
0.49
3.5
242
LT
Pickup coil – generator cover
Bolt
M5
4
4.9
0.49
3.5
242
LT
Holder (wire harness) –
generator cover
Bolt
M6
2
14
1.4
10
242
LT
Lighting coil – generator cover
Bolt
M6
3
14
1.4
10
242
LT
Spark plug
—
—
4
13
1.3
9.4
Cam position sensor
Bolt
M6
1
10
1.0
7.2
572
LT
Cooling water pipe –
cylinder
1st
Bolt
M6
1
3.7
0.37
2.7
572
LT
2nd
7.6
0.76
5.5
Cylinder head cover –
cylinder head
Bolt
M6
6
12
1.2
8.7
E
Timing chain tensioner cap bolt
Bolt
M6
1
10
1.0
7.2
Timing chain tensioner –
cylinder head
Bolt
M6
2
10
1.0
7.2
Exhaust camshaft cap –
cylinder head
Bolt
M6
10
10
1.0
7.2
E
Intake camshaft cap –
cylinder head
Bolt
M6
18
10
1.0
7.2
E
Exhaust camshaft sprocket –
exhaust camshaft
Bolt
M7
2
24
2.4
17
E
Intake camshaft sprocket –
intake camshaft
Bolt
M7
2
24
2.4
17
E
Hanger – cylinder head
Bolt
M8
2
40
4.0
29
271
LT
Part to be tightened
Part name
Thread
size
Q’ty
Tightening torques
Remarks
N•m
kgf•m
ft•lb
Summary of Contents for FX140
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Page 126: ...YAMAHA MOTOR CO LTD Printed in Japan Feb 2003 0 9 1 CR E F G S Printed on recycled paper...