JetPrime JP MJ 008 Yamaha YZF-R6 Race — Memjet EVO power module — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP MJ 008
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsYamaha YZF-R6 Race (2021–2025)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP MJ 008 corrects what a homologation map costs the YZF-R6 Race at part throttle, which is where almost all road riding actually takes place.

Key Features

  • Yamaha YZF-R6 Race (2021–2025)
  • 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

Track Only

Yamaha's circuit version of the R6 comes without lighting and with a state of tune that assumes the owner will change the exhaust immediately.

Against a Full Remap

Flashing the original controller changes ignition timing, rev limits and rider aids as well as fuelling, and it needs specialist equipment. A module is narrower, cheaper and reversible in a minute, which suits an owner who wants one problem solved.

A Second Rider

Carrying a passenger loads the engine differently and exposes lean cruise settings more clearly. Owners who tour two-up frequently notice the difference before owners who ride alone do.

Legal Position

Where fuelling forms part of the approval, changing it takes the machine outside its approved condition. That is a matter of local rules and it is worth knowing before rather than after.

Who Should Not Buy One

An owner with a standard exhaust, a recent motorcycle and no complaint about how it runs. There is no reason to fit a correction to something that is already correct.

Why It Is Priced Where It Is

A developed curve, a model-specific harness and a sealed body. None of that is expensive to make in isolation and all of it is expensive to get right for a hundred different motorcycles.

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.

Reading the Engine

A motorcycle that pops on the overrun, hesitates off closed throttle and hunts at a constant speed is telling the rider it is running lean. All three have the same cause.

Fitment and Compatibility

  • Yamaha YZF-R6 Race (2021–2025)

Specifications

Model JP MJ 008
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Yamaha YZF-R6 Race (2021–2025)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x power module
FitmentWhich bikes this fits
  • Yamaha YZF-R6 Race (2021–2025)
07 · Support

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