Yamaha YZF-R6(V) 2006 Service Manual page 36

Valve margin thickness D (intake)
Limit
Valve margin thickness D (exhaust)
Limit
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)
Limit
Valve-stem-to-valve-guide clearance (exhaust)
Limit
Valve stem runout
Cylinder head valve seat width (intake)
Limit
Cylinder head valve seat width (exhaust)
Limit
Valve spring
Free length (intake)
Limit
Free length (exhaust)
Limit
Installed length (intake)
Installed length (exhaust)
Spring rate K1 (intake)
Spring rate K2 (intake)
Spring rate K1 (exhaust)
Spring rate K2 (exhaust)
Installed compression spring force (intake)
Installed compression spring force (exhaust)
D
2-5
ENGINE SPECIFICATIONS
0.90–1.10 mm (0.0354–0.0433 in)
0.8 mm (0.03 in)
1.10–1.30 mm (0.0433–0.0512 in)
1.0 mm (0.04 in)
4.475–4.490 mm (0.1762–0.1768 in)
4.460 mm (0.1756 in)
4.460–4.475 mm (0.1756–0.1762 in)
4.445 mm (0.1750 in)
4.500–4.512 mm (0.1772–0.1776 in)
4.542 mm (0.1788 in)
4.500–4.512 mm (0.1772–0.1776 in)
4.542 mm (0.1788 in)
0.010–0.037 mm (0.0004–0.0015 in)
0.080 mm (0.0032 in)
0.025–0.052 mm (0.0010–0.0020 in)
0.095 mm (0.0037 in)
0.040 mm (0.0016 in)
0.90–1.10 mm (0.0354–0.0433 in)
1.6 mm (0.06 in)
1.10–1.30 mm (0.0433–0.0512 in)
1.8 mm (0.07 in)
37.47 mm (1.48 in)
35.60 mm (1.40 in)
37.67 mm (1.48 in)
35.79 mm (1.42 in)
32.80 mm (1.29 in)
32.80 mm (1.29 in)
38.11 N/mm (217.61 lb/in) (3.89 kgf/mm)
52.40 N/mm (299.20 lb/in) (5.34 kgf/mm)
36.36 N/mm (207.62 lb/in) (3.71 kgf/mm)
53.40 N/mm (304.91 lb/in) (5.45 kgf/mm)
166.00–190.00 N (37.32–42.71 lb) (16.93–
19.37 kgf)
165.00–189.00 N (37.09–42.49 lb) (16.83–
19.27 kgf)