Yamaha FJR13AY 2009, Service Manual

Page: 53 / 744

ENGINE SPECIFICATIONS
2-4
Limit 24.897 mm (0.9802 in)
Camshaft runout limit 0.030 mm (0.0012 in)
Timing chain
Model/number of links 92RH2015/136
Tensioning system Automatic
Valve, valve seat, valve guide
Valve clearance (cold)
Intake 0.15–0.22 mm (0.0059–0.0087 in)
Exhaust 0.18–0.25 mm (0.0071–0.0098 in)
Valve dimensions
Valve head diameter A (intake) 29.90–30.10 mm (1.1772–1.1850 in)
Valve head diameter A (exhaust) 25.90–26.10 mm (1.0197–1.0276 in)
Valve seat width C (intake) 0.90–1.10 mm (0.0354–0.0433 in)
Valve seat width C (exhaust) 0.90–1.10 mm (0.0354–0.0433 in)
Valve margin thickness D (intake) 0.80–1.20 mm (0.0315–0.0472 in)
Valve margin thickness D (exhaust) 0.50–0.90 mm (0.0197–0.0354 in)
Valve stem diameter (intake) 4.975–4.990 mm (0.1959–0.1965 in)
Valve stem diameter (exhaust) 4.965–4.980 mm (0.1955–0.1961 in)
Valve guide inside diameter (intake) 5.000–5.012 mm (0.1969–0.1973 in)
Limit 5.050 mm (0.1988 in)
Valve guide inside diameter (exhaust) 5.000–5.012 mm (0.1969–0.1973 in)
Limit 5.050 mm (0.1988 in)
Valve-stem-to-valve-guide clearance (intake) 0.010–0.037 mm (0.0004–0.0015 in)
Limit 0.080 mm (0.0032 in)
A
B
A
C
D