ENGINE SPECIFICATIONS
SPEC
2 - 7
Outer springs
Free length
Intake
36.42 mm (1.43 in)
34.60 mm
(1.36 in)
Exhaust
33.91 mm (1.34 in)
32.21 mm
(1.27 in)
Installed length (valve closed)
Intake
32.03 mm (1.26 in)
----
Exhaust
30.25 mm (1.19 in)
----
Compressed spring force
(installed)
Intake
230 ~ 266 N
(23.45 ~ 27.12 kgf, 51.7 ~ 59.8 lb)
----
Exhaust
286 ~ 329 N
(29.16 ~ 33.55 kgf, 62.3 ~ 74.0 lb)
----
Spring tilt
Intake
----
2.5˚ /1.6 mm
(2.5˚/0.063 in)
Exhaust
----
2.5˚ /1.5 mm
(2.5˚/0.059 in)
Winding direction (top view)
Intake
Clockwise
----
Exhaust
Clockwise
----
Cylinders
Cylinder arrangement
Forward-inclined, parallel 4-cylinder
----
Bore
×
stroke
72
×
46 mm (2.83
×
1.81 in)
----
Compression ratio
11.4:1
----
Bore
72.000 ~ 72.008 mm
(2.8346 ~ 2.8350 in)
----
Maximum taper
----
0.05 mm
(0.0016 in)
Maximum out of round
----
0.05 mm
(0.0016 in)
Item
Standard
Limit
Содержание YZF-R7
Страница 1: ...5FL 28199 E0 YZF R7 OWNER S SERVICE MANUAL ...
Страница 8: ......
Страница 58: ...2 20 SPEC Crankcase tightening sequence TIGHTENING TORQUES ...
Страница 72: ...3 3 CHK ADJ ...
Страница 127: ...3 58 CHK ADJ CHECKING AND CHARGING THE BATTERY Charging method using a variable voltage charger ...
Страница 128: ...3 59 CHK ADJ CHECKING AND CHARGING THE BATTERY Charging method using a constant voltage charger ...
Страница 363: ...8 27 ELEC ...
Страница 380: ......
Страница 381: ...PRINTED IN JAPAN 98 12 0 5 1 CR PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...