Instruction manual

– 23 –
(11) Pit Road Limiter
For control of engine revolution, obtain the necessary engine revolution from the following
formula and input the obtained value.
(12), (13) Gear Ratio / Number of teeth
CAUTION:
Set the mission selection function properly, otherwise Shifter/Cut Time does not function
correctly.
Engine revolution =
Target speed (km/h) × (Primary speed reduction ratio × 1
st
gear ratio ×
secondary speed reduction ratio) × 1000000
60 × tire periphery (mm)
YZF-R1 Model Gear ratio
Primary
reduction gear
ratio
1.512
1
st
gear ratio STD
'07, '08, '09 A KIT
B
C
2.533
2.429
2.357
2.313
YZF-R1 STD A B C
Gear Ratio 1st 2.53 2.43 2.36 2.31
Gear Ratio 2nd 2.06 2.13 2.00 1.94
Gear Ratio 3rd 1.76 1.82 1.74 1.61
Gear Ratio 4th 1.52 1.60 1.52 1.48
Gear Ratio 5th 1.36 1.47 1.41 1.36
Gear Ratio 6th 1.27 1.33 1.32 1.27
Number of teeth
(6th/Wheel)
33 28 33 33