Yamaha YW125Y_ Utility Trailer User Manual


 
2-19
SPEC
Part to be tightened
Part name
Thread
size
Q
ty
Tightening
torque Remarks
TIGHTENING TORQUES
4
TIGHTENING TORQUES
ENGINE
Crankcase (left and
right) together tightening.
Cylinder head and cylinder
Spark plug
Cylinder head (timing chain side)
Exhaust pipe stud bolt
Breather
Valve cover
Stopper plate (camshaft)
Guide stopper 2
Valve clearance adjusting screw lock nut
Camshaft sprocket
Timing chain tensioner (body)
Timing chain tensioner (plug)
Air shroud cylinder 1 and 2
Air shroud cylinder 2 and 3
Air shroud cylinder 3
Fan
Guide
Oil pump
Engine oil drain plug
Intake manifold
Air filter
Fuel injector
Intake manifold side band
Air filter side band
Protector
Exhaust pipe
Muffler
Muffler
Crankcase (left and right)
Crankcase (left and right)
V-belt case
Crankcase cover (right)
Cover 1 (magneto base)
Cover 1 (magneto base)
V-belt case cover
V-belt case cover
Cylinder stud bolt
Drain bolt (transmission oil)
Drain bolt (engine oil)
Guide element
ft•lbfNm m•kgf
Nut
-
Bolt
-
Bolt
Bolt
Bolt
Bolt
-
Bolt
Bolt
Plug
Screw
Screw
Screw
Bolt
Screw
Screw
-
Bolt
Screw
Bolt
Band
Band
Bolt
Nut
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Screw
Bolt
-
-
-
Screw
M8
M10
M6
M8
M6
M6
M6
M6
M5
M8
M6
M8
6.0
6.0
M6
M6
6.0
M5
M30
M6
M6
M6
M4
M4
M6
M8
M10
M8
M6
M6
M6
M6
M6
M6
M6
M6
M8
M8
M12
M6
4
1
2
2
2
6
1
1
4
1
2
1
5
1
3
4
3
2
1
2
2
1
1
1
4
2
1
2
8
1
8
6
2
1
3
2
4
1
1
1
22
13
12
13
7
7
12
7
7
30
9
8
2
2
7
9
2
4
20
10
7
12
3
3
10
13
53
31
13
13
11
10
13
13
7
7
13
23
20
7
2.2
1.3
1.2
1.3
0.7
0.7
1.2
0.7
0.7
3.0
0.9
0.8
0.2
0.2
0.7
0.9
0.2
0.4
2.0
1.0
0.7
1.2
0.3
0.3
1.0
1.3
5.3
3.1
1.3
1.3
1.1
1.0
1.3
1.3
0.7
0.7
1.3
2.3
2.0
0.7
15.9
9.4
8.7
9.4
5.1
5.1
8.7
5.1
5.1
21.7
6.5
5.8
1.4
1.4
5.1
6.5
1.4
2.9
14.5
7.2
5.1
8.7
2.2
2.2
7.2
9.4
38.3
22.4
9.4
9.4
8.0
7.2
9.4
9.4
5.1
5.1
9.4
16.6
14.5
5.1
LT
Touching collar stop.
Downloaded from www.ScooterTime.net