JetPrime JP MJ 001 Aprilia RSV4 Factory — Memjet EVO power module — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP MJ 001
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsAprilia RSV4 Factory (2019–2026)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP MJ 001 is what an owner fits to the RSV4 Factory after an exhaust, when the standard closed-loop correction has run out of authority.

Key Features

  • Aprilia RSV4 Factory (2019–2026)
  • 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

Variable Intake Trumpets

The Factory carries Aprilia's height-adjustable inlet horns, which change the tuned length as the revs rise. It is a mechanical answer to the same problem a fuel module addresses electronically.

Fully Reversible

Unplug the module, reconnect the original connectors and the motorcycle is standard again in the time it takes to lift the seat. Nothing is cut, nothing is soldered and no software has to be reinstalled anywhere.

Under the Seat

That is where most owners put it, because it is dry, out of sight and close to the injector harness on the majority of machines. A cable tie and five minutes of thought is the whole of the installation advice.

Mounting It Properly

Somewhere dry, secured, and where the harness is not stretched or pinched by the subframe. Ten minutes of care here is the difference between a component that lasts and one that develops an intermittent fault.

Somewhere Dry and Secure

Under the seat on most bikes, occasionally under the tank. It needs to be where water does not sit and where the harness is not under tension when the suspension moves.

The Connectors Do the Work

A harness with the correct plugs moulded on is what makes this a twenty-minute job rather than an afternoon with a soldering iron and a wiring diagram.

If Something Goes Wrong

Unplug it and the motorcycle is standard. That single sentence is worth more during a diagnosis than any amount of documentation, and it is not true of a reflashed controller.

Tank Off Models

A minority of machines route the harness under the tank, which turns the job into an hour. The listing does not say which, so a look underneath before ordering saves an evening.

Fitment and Compatibility

  • Aprilia RSV4 Factory (2019–2026)

Specifications

Model JP MJ 001
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Aprilia RSV4 Factory (2019–2026)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x power module
FitmentWhich bikes this fits
  • Aprilia RSV4 Factory (2019–2026)
07 · Support

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