Transmission; Shifting Mechanism; Fuel Pump; Throttle Position Sensor - Yamaha YZF-R1 2004 Service Information

Item

Transmission

Transmission type
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Operation
Gear ratios
1st gear
2nd gear
3rd gear
4nd gear
5th gear
6th gear
Max. main axle runout
Max. drive axle runout

Shifting mechanism

Shift mechanism type
Max. shift fork guide bar bending
Air filter type

Fuel pump

Pump type
Model (manufacturer)
Output pressure

Throttle position sensor

Resistance
Output voltage (at idle)
Throttle bodies
Model (manufacturer)
Intake vacuum pressure
Throttle cable free lay (at the flange Throttle cable free play (at the flange
of the throttle grip)
ID mark
Throttle valve size
11
ENGINE SPECIFICATIONS
Constant mesh, 6-speed
Spur gear
65/43 (1.512)
Chain drive
45/17 (2.647)
Left-foot operation
38/15 (2.533)
33/16 (2.063)
37/21 (1.762)
35/23 (1.522)
30/22 (1.364)
33/26 (1.269)
SSS
SSS
Shift drum/Guide bar
SSS
Oil coated paper element
Electrical
5PW (DENSO)
294 kPa (2.94 kg/cm
4.9 X 5.1 kΩ at 20_C (68_F)
0.63 X 0.73 V
quantity 45EIDW (MIKUNI)
22 kPa (165 mmHg, 6.4966 inHg)
3 X 5 mm (0.12 X 0.20 in) 3 X 5 mm (0 12 X 0 20 in)
5VY1 00
#100
2-10
SPEC
Standard
2
, 2.94 bar, 42.6 psi)
2
Limit
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
0.08 mm
(0.0032 in)
0.08 mm
(0.0032 in)
SSS
0.10 mm
(0.0039 in)
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS SSS
SSS
SSS