Fuel Injection improvements on the Kawasaki Z400 are usually expensive and complicated. The BoosterPlug is a better and proven alternative.
Optimizing the fuel injection on your bike does no longer require expensive and complicated devices like a Power Commander - and no time consuming setup procedures.
Installation couldn't be easier - The BoosterPlug comes with the correct connectors to let you plug it in to the bikes wire harnes. No programming required.
The smarter choice to optimize the fuel Injection on your motorcycle:
- Eliminate the poor on/off like throttle action
- Better acceleration
- Eliminate the low speed surge problem
- Stronger idle - no more stalling problems
- Deceleration backfires in the exhaust reduced to a minimum
This version of the BoosterPlug covers all versions of the Kawasaki Z400 from 2019 and newer.
General Installation Instructions
Bike Specific Installation Instructions