Yamaha XS650 Supplément Au Manuel D'atelier page 10

(Page 1)
Maintenance specifications
Rocker arms specifications should be read as follows:
(Page 13)
Maintenance specifications
Valve Springs specifications should be read as follows:
Free length
Spring rate
Installed length (valve closed)
Installed pressure (valve closed)
Compressed length (valve open)
Compressed pressure (valve open)
Wire diameter
Number of windings
Winding O.D.
(Page 15)
Valves-Intake specifications should be read as follows:
"A" head diameter
" B " face width
Clearance (cold engine)
Valves-Exhaust specifications should be read as follows:
I
Clearance (cold engine)
8
Outer
Inner
Intake Exhaust
Intake Exhaust
42.55 mm
42.00 mm
K = 3.20 kg/mm
K = 1.43 kg/mm
1
1
K = 1.81 kg/mm K = 4.18 kg/mm
2 2
35.0 mm 37.0 mm
10.0 ±0.7 kg 1 7 . 7 + 1 . 2 5 kg
25.5 mm
2 7 . 5 m m
27.2 ± 1 . 9 k g 57.5 ± 4 kg
2.9 mm
4.2 mm
6.0turns
4.25 turns
19.4 mm
32.6 mm
Dimensions
Standard
Wear limit
41 mm
2.1 mm
mwmm
0.05 mm
I Dimensions
" ^ m m
Standard
Wear limit
w w ^ ^ ^ ^ • • *
0.15 mm
(Page 30)
TORQUE S P E C I F I C A T I O N S
Torque specifications should be read as follows:
Valve clearance adjusting nut
Cylinder head tightening nut
Strainer cover tightening screw
Delivery pipe holding banjo bolt
Drain plug
Pump cover tightening screw
Kick crank holding bolt
A.C. generator (rotor) securing nut
A.C. generator (stator) securing screw
Clutch boss securing nut
Drive sprocket securing nut
Crankcase tightening stud bolt
Crankcase tightening stud nut
Primary drive gear securing nut
Spark plug
Breaker shaft securing nut
Front wheel shaft securing nut
Front fork crown pinch bolt
Steering shaft securing bolt
Engine mounting nut
Pivot shaft securing nut
Rear wheel shaft securing nut
Rear cushion holding nut
* • * • % .
8 mm
10 mm
bolt 8 mm
bolt
6 mm
stud bolt 10 mm
6 mm
10 mm
14 mm
30 mm
6 mm
8 mm
12 mm
6 mm
18 m m
2 2 m m
8 mm
8 mm
•
14 mm
14 mm
6 mm
14 mm
8 mm
14 mm
10 mm
14 mm
18 mm
10 mm
1.5 ~ 2.5 m-kg
3.0 ~ 3.5 m-kg
2.1 ~ 2.5 m-kg
1.0 — 1.5 m-kg
1.5 ~ 2.0 m-kg
0.8 ~ 1.0 m-kg
2.0 ~ 2.2 m-kg
2.5 ~ 3.0 m-kg
3.5 ~ 4.0 m-kg
0.7 ~ 0.9 m-kg
1.5 ~ 2.5 m-kg
7.0 ~ 7.5 m-kg
0.7 ~ 0.9 m-kg
7.5 ~ 8.0 m-kg
10.0 ~ 12.0 m-kg
1st 1.0. 2nd 1.5,
final 2.0 m-kg
1st 1.0.2nd 1.5.
final 2.0 m-kg
7.0 ~ 10.0 m-kg
2.5 ~ 3.0 m-kg
0.8 ~ 1.0 m-kg
7.0 ~ 10.0 m-kg
0.8 ~ 1.3 m-kg
4.2 ~ 6.5 m-kg
3.5 ~ 5.6 m-kg
5.0 ~ 8.0 m-kg
12.0~ 18.0 m-kg
2.3 ~ 3.7 m-kg