Yamaha FJR13AEV(C) Service Manual page 53

Limit
B
Camshaft runout limit
Timing chain
Model/number of links
Tensioning system
Valve, valve seat, valve guide
Valve clearance (cold)
Intake
Exhaust
Valve dimensions
Valve head diameter A (intake)
Valve head diameter A (exhaust)
A
Valve seat width C (intake)
Valve seat width C (exhaust)
Valve margin thickness D (intake)
Valve margin thickness D (exhaust)
Valve stem diameter (intake)
Valve stem diameter (exhaust)
Valve guide inside diameter (intake)
Limit
Valve guide inside diameter (exhaust)
Limit
A
C
D
2-4
ENGINE SPECIFICATIONS
24.897 mm (0.9802 in)
0.030 mm (0.0012 in)
92RH2015/136
Automatic
0.15–0.22 mm (0.0059–0.0087 in)
0.18–0.25 mm (0.0071–0.0098 in)
29.90–30.10 mm (1.1772–1.1850 in)
25.90–26.10 mm (1.0197–1.0276 in)
0.90–1.10 mm (0.0354–0.0433 in)
0.90–1.10 mm (0.0354–0.0433 in)
0.80–1.20 mm (0.0315–0.0472 in)
0.50–0.90 mm (0.0197–0.0354 in)
4.975–4.990 mm (0.1959–0.1965 in)
4.965–4.980 mm (0.1955–0.1961 in)
5.000–5.012 mm (0.1969–0.1973 in)
5.050 mm (0.1988 in)
5.000–5.012 mm (0.1969–0.1973 in)
5.050 mm (0.1988 in)