JetPrime JP MJ 004 BMW F800GS — Memjet EVO power module — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP MJ 004
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsBMW F800GS (2008–2017)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP MJ 004 adds a fuel correction to the F800GS where the factory map had to be careful, and does it without a laptop, a dyno session or a remap.

Key Features

  • BMW F800GS (2008–2017)
  • 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

A Parallel Twin From Rotax

BMW's 798 cc twin was built in Austria with a counterbalance shaft and a 360 degree crank, which gives it a firing pattern closer to a boxer than to a Japanese twin.

An Evening's Work at Most

Seat off, tank lifted on some models, connectors separated, module plugged in and tied down. There is nothing to configure and nothing to learn afterwards, which is unusual for anything electronic on a motorcycle.

The Price of the Alternative

A dyno session with a mapping specialist costs several times what this does, and the result is written into the original controller where it stays. Both approaches are legitimate and they suit different owners.

Selling the Motorcycle

The module comes off in minutes and goes with the bike or stays with the owner. Either way the machine on offer is a standard one, which suits most buyers.

Keeping It or Selling It

The module can go with the motorcycle or come off before the advertisement is written. Both happen and neither harms the machine.

How Long It Takes

Between twenty minutes and an hour depending on the model. The variable is access to the injector harness and nothing else about the job changes.

A Sensible First Modification

It costs less than a set of tyres, takes an evening and can be undone completely. As an entry into modifying an injected motorcycle there are considerably worse places to start.

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

  • BMW F800GS (2008–2017)

Specifications

Model JP MJ 004
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits BMW F800GS (2008–2017)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x power module
FitmentWhich bikes this fits
  • BMW F800GS (2008–2017)
07 · Support

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08 · Paddock

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