Yamaha FZS1000N Service Manual page 24

Item
Timing chain
Model/number of links
Tensioning system
Valves, valve seats, valve guides
Valve clearance (cold)
Intake Intake
Exhaust
Valve dimensions
Head Diameter
Valve head diameter A
Intake
Exhaust
Valve face width B
Intake
Exhaust
Valve seat width C
Intake
Exhaust
Valve margin thickness D
Intake
Exhaust
Valve stem diameter
Intake
Exhaust
Valve guide inside diameter
Intake
Exhaust
Valve-stem-to-valve-guide
clearance
Intake
Exhaust
ENGINE SPECIFICATIONS
RH2015/130
Automatic
0.11 X 0.20 mm (0.0043 X 0.0079 in)
0.21 X 0.25 mm (0.0083 X 0.0098 in) 0 21 X 0 25 mm (0 0083 X 0 0098 in)
Face Width
22.9 X 23.1 mm (0.9016 X 0.9094 in)
24.4 X 24.6 mm (0.9606 X 0.9685 in)
1.76 X 2.90 mm (0.0693 X 0.1142 in)
1.76 X 2.90 mm (0.0693 X 0.1142 in)
0.9 X 1.1 mm (0.035 X 0.043 in)
0.9 X 1.1 mm (0.035 X 0.043 in)
0.5 X 0.9 mm (0.020 X 0.035 in)
0.5 X 0.9 mm (0.020 X 0.035 in)
3.975 X 3.900 mm (0.1565 X 0.1535 in)
4.465 X 4.480 mm (0.1758 X 0.1764 in)
4.000 X 4.012 mm (0.1575 X 0.1580 in)
4.500 X 4.512 mm (0.1772 X 0.1776 in)
0.010 X 0.037 mm (0.0004 X 0.0015 in)
0.020 X 0.047 mm (0.0008 X 0.0019 in)
2-5
Standard
Seat Width
SPEC
Limit
Margin Thickness
3.945 mm
(0.1553 in)
4.43 mm
(0.1744 in)
4.05 mm
(0.1594 in)
4.55 mm
(0.1791 in)
0.08 mm
(0.0031 in)
0.10 mm
(0.0039 in)