Yamaha YZF-R6 Service Manual page 32

Item
Valve springs
Free length
Intake (inner)
(outer)
Exhaust
Installed length (valve closed)
Intake (inner)
(outer)
Exhaust
Compressed spring force
(installed)
Intake (inner)
(outer)
Exhaust
Spring tilt
Intake (inner)
(outer)
Exhaust
Winding direction (top view)
Intake
Exhaust
Cylinders
Cylinder arrangement
Bore stroke
Compression ratio
Bore
Max. taper
Max. out-of-round
ENGINE SPECIFICATIONS
Standard
37.0 mm
38.4 mm
41.7 mm
30.0 mm
32.5 mm
36.1 mm
69 X 79 N (7.0 X 8.0 kgf)
114 X 132 N (11.6 X 13.4 kgf)
160 X 184 N (16.3 X 18.7 kgf)
SSS
SSS
Clockwise
Clockwise
Forward-inclined, parallel 4-cylinder
65.5 45.5 mm
12.4 : 1
65.50 X 65.51 mm
SSS
SSS
2-6
SPEC
Limit
35 mm
36.5 mm
39.5 mm
SSS
SSS
SSS
SSS
2.5_/1.6 mm
2.5_/1.7 mm
2.5_/1.8 mm
SSS
SSS
SSS
SSS
SSS
SSS
0.05 mm
0.05 mm