Yamaha Xv 250 S Virago 1995

Modify the parameters in the form on the right, then press one of the red buttons below to show the desired graph.
The red line will show the altered curve.

Power torque diagram

The power torque diagram shows the power and torque throughout the rev range

The performance can be modified in the form, under the 'Performance' label. After the update click this button again to regenerate the curve.

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Acceleration diagram

The acceleration diagram shows the acceleration of the motorcycle in all the gears.

On the Y-axis the acceleration is given (in m/s^2), And on the X-axis the speed is given in km/h.

Change any of the parameters in the form on the right, then press this button to refresh the diagram.

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Lead diagram

The lead diagram shows the advantage or disadvantage of the current setup.

It shows a straight line, until some parameters have been altered.

The horizontal line represents time in seconds, the vertical line shows the lead or lag in meters compared to the original setup

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Quarter mile diagram

The quarter mile diagram simulates a sprint of a quarter mile.

On the vertical axle, the meters are represented, and on the horizontal axle the seconds past.

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Weight
Driver: kg
Driver: lb
Motorcycle: kg
Motorcycle: lb
Performance
Power(hp@rpm):
Torque: nm@rpm
Torque: lbft@rpm
Primary transmission
Crank sprocket:
Clutch sprocket:
Secundary transmission
Front sprocket:
Rear sprocket:
Transmission
First gear ratio:2.6429
Second gear ratio:1.6842
Third gear ratio:1.2609
Fourth gear ratio:1
Fifth gear ratio:0.8214
Rear tyre:
/ R
Aerodynamic data
Cx-value:
Frontal area: m2
Frontal area: ft2

Go

The 'Go' button refreshes the current diagram

Set

The 'Set' button makes your modified graph the one to be compared against

Ref
Uid:4491
Chassis
Usage:chopper
Year:1995
Weight (kg):137
Front brake:Single disc
Rear brake:Expanding brake
Rear tyre:130 / 90 R 15
Performance
Power(hp@rpm):20.7@8000
Torque(nm@rpm):20.6@6500
Engine
Num. cil:2
Layout:V
Volume:248
Principle:4-stroke
Valves:2
Cooling:Air
Gearbox
Gears:5
First gear ratio:2.6429
Second gear ratio:1.6842
Third gear ratio:1.2609
Fourth gear ratio:1
Fifth gear ratio:0.8214
Primary transmission
Crank sprocket:77
Clutch sprocket:241
Secundary transmission
Front sprocket:16
Rear sprocket:45
Final reduction:2.8125
Aerodynamic data
Cx-value:0.6
Frontal area (m2):0.4761