Yamaha FZS6W Service Manual page 28

Limit
Valve spring
Inner 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)
Spring tilt (intake)
Spring tilt (exhaust)
Winding direction (intake)
Winding direction (exhaust)
Outer spring
Free length (intake)
Limit
Installed length (intake)
Spring rate K1 (intake)
Spring rate K2 (intake)
Installed compression spring force (intake)
Spring tilt (intake)
Winding direction (intake)
Cylinder
Bore
Taper limit
Out of round limit
Piston
Piston-to-cylinder clearance
Limit
Diameter D
Height H
ENGINE SPECIFICATIONS
1.6 mm (0.06 in)
37.04 mm (1.46 in)
35.20 mm (1.39 in)
41.79 mm (1.65 in)
39.70 mm (1.56 in)
30.02 mm (1.18 in)
36.12 mm (1.42 in)
10.50 N/mm (59.96 lb/in) (1.07 kgf/mm)
17.00 N/mm (97.07 lb/in) (1.73 kgf/mm)
30.26 N/mm (172.78 lb/in) (3.09 kgf/mm)
49.53 N/mm (282.82 lb/in) (5.05 kgf/mm)
69–79 N (15.51–17.76 lbf) (7.04–8.06 kgf)
160–184 N (35.97–41.36 lbf) (16.32–18.76
kgf)
2.5 °/1.6 mm (0.06 in)
2.5 °/1.8 mm (0.07 in)
Counter clockwise
Clockwise
38.40 mm (1.51 in)
36.50 mm (1.44 in)
32.52 mm (1.28 in)
20.80 N/mm (118.77 lb/in) (2.12 kgf/mm)
33.30 N/mm (190.14 lb/in) (3.40 kgf/mm)
114–132 N (25.63–29.67 lbf) (11.62–13.46
kgf)
2.5 °/1.7 mm (0.07 in)
Clockwise
65.500–65.510 mm (2.5787–2.5791 in)
0.050 mm (0.0020 in)
0.050 mm (0.0020 in)
0.010–0.035 mm (0.0004–0.0014 in)
0.05 mm (0.0020 in)
65.475–65.490 mm (2.5778–2.5783 in)
4.0 mm (0.16 in)
2-5