Yamaha 2004 FZ6-SS Service Manual - Spec
2-6
ENGINE SPECIFICATIONS
SPEC
Item
Standard
Limit
Valve springs
Free length
Intake (inner)
Intake
(outer)
Exhaust
Installed length (valve closed)
Intake (inner)
Intake
(outer)
Exhaust
Compressed spring force
(installed)
Intake (inner)
(outer)
Exhaust
Spring tilt
Intake (inner)
Intake
(outer)
Exhaust
Winding direction (top view)
Intake (inner)
Intake
(outer)
Exhaust
37.0 mm (1.46 in)
38.4 mm (1.51 in)
41.8 mm (1.65 in)
30 mm (1.18 in)
32.5 mm (1.28 in)
36.1 mm (1.42 in)
69.0
X 79.0 N (7.03 X 8.05 kg,
15.50
X 17.75 lb)
114.0
X 132.0 N (11.62 X 13.46 kg,
25.63
X 29.67 lb)
160
X 184 N (16.32 X 18.76 kg,
35.97
X 41.36 lb)
SSS
SSS
SSS
Counter clockwise
Clockwise
Clockwise
35.2 mm (1.39 in)
36.5 mm (1.44 in)
39.7 mm (1.56 in)
SSS
SSS
SSS
SSS
SSS
SSS
2.5
_/1.6 mm
(0.06 in)
2.5
_/1.7 mm
(0.07 in)
2.5
_/1.8 mm
(0.07 in)
SSS
SSS
SSS
Cylinders
Cylinder arrangement
Bore
stroke
Compression ratio
Bore
Max. out-of-round
Forward-inclined, parallel 4-cylinder
65.5 mm
44.5 mm (2.58 1.75 in)
12.2 : 1
65.50
X 65.51 mm (2.5787 X 2.5791 in)
SSS
SSS
SSS
SSS
SSS
0.05 mm
(0.002 in)