Yamaha YZF-R1S Service Manual - Spec
2-10
ENGINE SPECIFICATIONS
SPEC
Item
Standard
Limit
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
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
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
0.08 mm
(0.0032 in)
0.08 mm
(0.0032 in)
Shifting mechanism
Shift mechanism type
Max. shift fork guide bar bending
Shift drum / Guide bar
SSS
SSS
0.10 mm
(0.0039 in)
Air filter type
Oil coated paper element
SSS
Fuel pump
Pump type
Model (manufacturer)
Output pressure
Electrical
5PW (DENSO)
294 kPa (2.94 kg / cm
2
, 2.94 bar, 42.6 psi)
SSS
SSS
SSS
Throttle position sensor
Resistance
Output voltage (at idle)
4.9
X 5.1 kΩ at 20_C (68_F)
0.63
X 0.73 V
SSS
Throttle bodies
Model (manufacturer)
quantity
Intake vacuum pressure
Throttle cable free play (at the flange
45EIDW (MIKUNI)
2
22 kPa (165 mmHg, 6.4966 inHg)
3
X 5 mm (0.12 X 0.20 in)
SSS
SSS
SSS
of the throttle grip)
ID mark
Throttle valve size
5VY1 00 (USA)
5VY5 10 (CAL)
#100
SSS
SSS