⟲ 360° — drag meThe facts.
| Model | JP CJP 082H |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Kawasaki Z400 (2019–2023) |
| Installation | Plug-and-play, no wiring harness modifications required |
DescriptionThe whole story▼
The JP CJP 082H is the fuel controller for a Z400 whose engine has been modified far enough that the standard closed-loop correction has run out of authority.
Key Features
- Kawasaki Z400 (2019–2023)
- Fully programmable fuel map, written on a PC
- Complete two-axis management: engine speed and load
- For engines with an aftermarket exhaust or air filter
- Plug-and-play with model-specific wiring
- Unplugs at any time, nothing is written to the motorcycle
A Licence Class Bike
The 399 cc twin is limited by regulation rather than ambition, which means it spends most of its life at full throttle making its power.
Starting From Zero
An empty map means the motorcycle runs exactly as it did before, because every correction is nought. That is the safest possible starting point and it is where every session should begin.
The Injectors Are Standard
No hardware is replaced. The unit works with the fuel system the factory fitted and extends the injector opening time, which is all it needs to do.
Backups
Every map is a file. Copy the good ones somewhere that is not the laptop, because the laptop is the thing most likely to be dropped in a paddock.
Five Hundred Grams and a Cable
The physical product. Everything expensive about it is the software and the development behind the harness for each motorcycle.
The Original Controller Is Untouched
No parameter written, no adaptation cleared, no fault memory disturbed. Every diagnosis on the motorcycle afterwards reads the factory's electronics.
Not a Power Product
The output figure barely moves. What changes is that the engine delivers what it has cleanly everywhere, which is worth more on a road than a number on a sheet.
A Full System Versus a Slip-On
A complete exhaust changes the gas flow far more than a silencer alone. The mapping effort scales with it and so does what a good map is worth.
Against Reflashing
A remap of the original controller reaches ignition, the limiter and the rider aids, and it is written into the motorcycle where a workshop will find it. This is narrower, reversible and belongs to the box rather than the bike.
Fitment and Compatibility
- Kawasaki Z400 (2019–2023)
Specifications
| Model | JP CJP 082H |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Kawasaki Z400 (2019–2023) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x control unit
FitmentWhich bikes this fits▼
- Kawasaki Z400 (2019–2023)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
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Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.