QS4 Kit: Kawasaki ZX-7R Quickshifter 1998 – 2003
The QS4 is an advanced external Quickshifter kit that allows you to quickly shift up gears without using the clutch (clutchless upshift). The system works independently of the factory ECU, so it will also work well in motorcycles without standard quickshifter service or after modifications.
It’s a plug & play solution designed for sporty and dynamic driving – on the road and on the track.
QS4 Highlights
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Quickshifter – upshifting without clutch
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ECU-independent operation (standalone)
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High precision and repeatability
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Adjustable ignition cut-off time
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Adaptable to your driving style and engine power
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Ideal for production and tuned motorcycles
Kit contents
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QS4 Control Unit
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Quickshifter mechanical sensor (push/pull – depending on configuration)
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Gear Stick
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Dedicated cabling
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Assembly and Setup Instructions
Application
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Sport Driving
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Street Riding
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Track Day
Why QS4?
The QS4 is a solution for users who want complete control, reliability and flexibility, without having to interfere with the factory ECU software. A proven system, eagerly used in sports motorcycles and streetfighters.
