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[align=center]QuickShifter Circuit...[/align]
If you'd like to make a poor mans quickshifter, read on.
A quickshifter facilitates changing up gears without using the clutch. It's not good for the transmission, particularly if not done correctly, but many racers use them. Usually you have a sensor on the gear lever to detect when the gear is being changed up, and a circuit will automatically cut the ignition for a defined period. This brief engine cutout unloads the pressure on the gears for the gear change.
The poors mans version is to use a switch, without a defined automatic cutout timing circuit.
The circuit below shows where the switch must be wired in. NOTE: The switch MUST BE a normally closed momentary push switch... aka, normally (with the button not touched) it connects the two terminals, but when pressed the circuit is opened.
[align=center]
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The left hand switchgear on the CBR250 has two convenient buttons, the passing highbeam and horn switch, however both are the wrong type of switch and connect to ignition. If you try to hook up to these, your likely to just blow fuses and risk damaging the stand switch. They would need to be heavily modified to suit. Your better off getting a different buttons and creating a mounting bracket for it.

If you'd like to make a poor mans quickshifter, read on.
A quickshifter facilitates changing up gears without using the clutch. It's not good for the transmission, particularly if not done correctly, but many racers use them. Usually you have a sensor on the gear lever to detect when the gear is being changed up, and a circuit will automatically cut the ignition for a defined period. This brief engine cutout unloads the pressure on the gears for the gear change.
The poors mans version is to use a switch, without a defined automatic cutout timing circuit.
The circuit below shows where the switch must be wired in. NOTE: The switch MUST BE a normally closed momentary push switch... aka, normally (with the button not touched) it connects the two terminals, but when pressed the circuit is opened.
[align=center]

The left hand switchgear on the CBR250 has two convenient buttons, the passing highbeam and horn switch, however both are the wrong type of switch and connect to ignition. If you try to hook up to these, your likely to just blow fuses and risk damaging the stand switch. They would need to be heavily modified to suit. Your better off getting a different buttons and creating a mounting bracket for it.