2-6
ENGINE SPECIFICATIONS
SPEC
Item
Standard
Limit
Valve springs
Free length
Intake
Exhaust
Installed length (valve closed)
Intake
Exhaust
Compressed spring force
(installed)
Intake
Exhaust
Spring tilt
Intake
Exhaust
Winding direction (top view)
Intake
Exhaust
39.3 mm (1.55 in)
39.3 mm (1.55 in)
32.7 mm (1.29 in)
32.8 mm (1.29 in)
145.9
X
167.9 N (14.88
X
17.12 kg,
32.80
X
37.74 lb)
164.1
X
188.9 N (16.73
X
19.26 kg,
36.89
X
42.46 lb)
SSS
SSS
Clockwise
Clockwise
37.3 mm (1.47 in)
37.3 mm (1.47 in)
SSS
SSS
SSS
SSS
2.5
_
/ 1.7 mm
(0.07 in)
2.5
_
/ 1.7 mm
(0.07 in)
SSS
SSS
Cylinders
Cylinder arrangement
Bore
stroke
Compression ratio
Bore
Max. out-of-round
Forward-inclined, parallel 4-cylinder
77.0 mm
53.6 mm (3.03
2.11 in)
12.4 : 1
77.00
X
77.01 mm (3.0315
X
3.0319 in)
SSS
SSS
SSS
SSS
SSS
0.005 mm
(0.0002 in)
7
Summary of Contents for YZF-R1 2004
Page 1: ...Yamaha Motor Co Ltd 2004 YZF R1 S 5VY1 SE1 SERVICE INFORMATION ...
Page 50: ...YZF R1 S 2004 WIRING DIAGRAM ...
Page 51: ......