
The facts.
| Model | JP ES 024 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Kawasaki Z500 SE (2024–2026) |
| Installation | Plug-and-play, no wiring harness modifications required |
| Fitment | Kawasaki Z500 (2024–2026) / Kawasaki Z500 SE (2024–2026) |
| Road approval | None — closed-circuit and race use only |
DescriptionThe whole story▼
The JP ES 024 caps the Z500 SE's air injection opening in the head with a billet cover on an O-ring.
Key Features
- Kawasaki Z500 SE (2024–2026)
- Blanks the secondary air ports in the head
- Machined from solid aluminium
- O-ring sealed, no jointing compound
- Original fastener positions
- Standard housing refits at any time
A Steel Trellis Frame
Carried over from the 400 because the chassis was never the limitation. Kawasaki spent the development budget on the engine instead.
Upright and Practical
The riding position works for commuting, which is what most Z500s do. It is the sensible half of the platform.
The Reed Assembly
A moulded housing holding one reed per port, bolted to the cylinder head cover and fed by a hose from the airbox. It is the half that physically admits the air.
Before Any Mapping
Air entering the exhaust after combustion moves the readings, and every fuelling decision taken from those readings inherits the movement.
Fitted Cold
There is no reason to attempt this on a warm engine and every reason not to. Aluminium threads and hot castings are a poor combination.
Aluminium Against Aluminium
Nothing clamps metal onto metal here. A rubber ring in a turned groove takes up the joint, which is why the head face is untouched after the tenth removal as much as after the first.
A Repair With a Side Effect
On any Kawasaki past its first decade the reed housing has a limited remaining life. Replacing it with aluminium removes a job that was coming rather than merely deleting an emissions device.
The Airbox End
Removing the housing leaves an opening where the hose attached, and unfiltered air into an intake is a worse outcome than the system ever was.
The Sensible Half
The naked version of the 500 platform is the one most owners should buy and a great many do. Upright bars and the same engine make it the more usable motorcycle by a wide margin.
Fitment and Compatibility
- Kawasaki Z500 SE (2024–2026)
Specifications
| Model | JP ES 024 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Kawasaki Z500 SE (2024–2026) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x block-off plate
FitmentWhich bikes this fits▼
- Kawasaki Z500 SE (2024–2026)
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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.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
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.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
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.