Yamaha Star XVS13AA(C) 2011 Service Manual page 32

Limit
B
Timing chain
Tensioning system
Rocker arm/rocker arm shaft
Rocker arm inside diameter
Rocker arm shaft outside diameter
Rocker-arm-to-rocker-arm-shaft clearance
Limit
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)
Limit
Valve stem diameter (exhaust)
Limit
Valve guide inside diameter (intake)
Limit
Valve guide inside diameter (exhaust)
Limit
Valve-stem-to-valve-guide clearance (intake)
A
C
D
2-5
ENGINE SPECIFICATIONS
37.018 mm (1.4574 in)
Automatic
12.000–12.018 mm (0.4724–0.4731 in)
11.976–11.991 mm (0.4715–0.4721 in)
0.009–0.042 mm (0.0004–0.0017 in)
0.095 mm (0.0037 in)
0.09–0.13 mm (0.0035–0.0051 in)
0.14–0.18 mm (0.0055–0.0071 in)
35.90–36.10 mm (1.4134–1.4213 in)
31.90–32.10 mm (1.2559–1.2638 in)
1.00–1.20 mm (0.0394–0.0472 in)
1.00–1.20 mm (0.0394–0.0472 in)
1.15–1.45 mm (0.0453–0.0571 in)
1.15–1.45 mm (0.0453–0.0571 in)
5.975–5.990 mm (0.2352–0.2358 in)
5.945 mm (0.2341 in)
5.960–5.975 mm (0.2346–0.2352 in)
5.930 mm (0.2335 in)
6.000–6.012 mm (0.2362–0.2367 in)
6.050 mm (0.2382 in)
6.000–6.012 mm (0.2362–0.2367 in)
6.050 mm (0.2382 in)
0.010–0.037 mm (0.0004–0.0015 in)