JetPrime JP MJ 008 Kawasaki Z900RS SE — Memjet EVO power module — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP MJ 008
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsKawasaki Z900RS SE (2021–2026)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP MJ 008 is fitted to the Z900RS SE to make an injected engine pleasanter rather than faster, and the description says exactly that.

Key Features

  • Kawasaki Z900RS SE (2021–2026)
  • Preset fuel module, no programming required
  • Corrects the mixture without remapping the original electronics
  • Plug-and-play with model-specific wiring
  • Around 200 g, fitted in an evening
  • Unplugs at any time, nothing is written to the motorcycle

Gold Forks and Better Brakes

The SE specification adds the suspension and the finish. The engine and its mapping are identical to the standard RS.

Why the Factory Map Is Cautious

A manufacturer maps one motorcycle for every market, every fuel quality and every altitude it will ever be sold into, then adds a margin for emissions testing. That margin is not a mistake. It is simply not tuned for one bike, one climate and one exhaust system.

Exhaust First, Module Second

If a silencer is going on, fit it first and then the module. Doing it the other way round means judging the effect of two changes at once, which tells the rider nothing useful about either.

Fitting Time

Twenty minutes on a machine where the injector harness is under the seat, an hour where the tank has to come off. Nothing in either case requires a tool anybody would have to buy.

One Harness Per Motorcycle

The connectors differ between models and sometimes between years of the same model. That is why this is sold per machine and why the year span in the listing is worth reading before ordering.

When Not to Bother

A current machine with the standard exhaust that the owner has no complaint about. Fitting a correction to a mixture that is already right achieves nothing worth the money.

Track Days

On a circuit the throttle is either shut or open and the transition matters less than it does on a road. Riders who only ride circuits will notice this module least.

The Cost of Doing Nothing

A motorcycle with an aftermarket exhaust and a standard map is not damaged, only running further from ideal than it needs to. Plenty of owners live with that quite happily for years.

Fitment and Compatibility

  • Kawasaki Z900RS SE (2021–2026)

Specifications

Model JP MJ 008
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Kawasaki Z900RS SE (2021–2026)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x power module
FitmentWhich bikes this fits
  • Kawasaki Z900RS SE (2021–2026)
07 · Support

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