Yamaha FZ6-SS 2004 Service Manual page 31

Item
Timing chain
Model/number of links
Tensioning system
Valves, valve seats, valve guides
Valve clearance (cold)
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
Valve stem runout
Valve seat width
Intake
Exhaust
ENGINE SPECIFICATIONS
92RH2015 /120
Automatic
0.13 X 0.20 mm (0.0051 X 0.0079 in)
0.23 X 0.30 mm (0.0091 X 0.0118 in)
Face Width
24.9 X 25.1 mm (0.9803 X 0.9882 in)
21.9 X 22.1 mm (0.8622 X 0.8701 in)
1.14 X 1.98 mm (0.0449 X 0.0780 in)
1.14 X 1.98 mm (0.0449 X 0.0780 in)
0.9 X 1.1 mm (0.0354 X 0.0433 in)
0.9 X 1.1 mm (0.0354 X 0.0433 in)
0.6 X 0.8 mm (0.0236 X 0.0315 in)
0.6 X 0.8 mm (0.0236 X 0.0315 in)
3.975 X 3.990 mm (0.1565 X 0.1571 in)
3.960 X 3.975 mm (0.1559 X 0.1565 in)
4.000 X 4.012 mm (0.1575 X 0.1580 in)
4.000 X 4.012 mm (0.1575 X 0.1580 in)
0.010 X 0.037 mm (0.0004 X 0.0015 in)
0.025 X 0.052 mm (0.0010 X 0.0020 in)
SSS
0.9 X 1.1 mm (0.0354 X 0.0433 in)
0.9 X 1.1 mm (0.0354 X 0.0433 in)
2-5
Standard
Seat Width
SPEC
Limit
SSS
SSS
SSS
SSS
Margin Thickness
SSS
SSS
SSS
SSS
1.6 mm (0.06 in)
1.6 mm (0.06 in)
0.5 mm (0.02 in)
0.5 mm (0.02 in)
3.95 mm
(0.1555 in)
3.935 mm
(0.1549 in)
4.042 mm
(0.1591 in)
4.042 mm
(0.1591 in)
0.08 mm
(0.0031 in)
0.10 mm
(0.0039 in)
0.04 mm
(0.0016 in)
1.6 mm (0.06 in)
1.6 mm (0.06 in)