JetPrime JP MJ 008 Yamaha XJ6 — 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 XJ6 (2009–2015)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP MJ 008 is the preset version of JetPrime's fuel module for the XJ6, with nothing to program and nothing to configure after it is plugged in.

Key Features

  • Yamaha XJ6 (2009–2015)
  • 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

The Sensible Middleweight

Yamaha's 600 cc four detuned heavily for the road, sold in enormous numbers to riders who wanted something dependable and unexciting.

With an Aftermarket Exhaust

A freer silencer changes what the engine can pass and the standard controller can only compensate so far. This is the commonest reason owners look at a fuel module, and it is the situation where the difference is most obvious.

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.

Small Openings Matter Most

Almost all road riding happens in the first quarter of throttle travel. A change there is felt on every corner exit and in every roundabout, which is why response is a better sales argument than peak power.

Consumption, Honestly

No meaningful change either way. Anybody who reports a large difference has changed their riding at the same time, which is what usually happens after fitting anything to a motorcycle.

At Resale

Off in minutes, into a box, and the motorcycle is standard. Or left on and mentioned in the advertisement. Neither choice damages anything.

A Second Opinion Worth Having

Ride the motorcycle for a week paying attention to the first eighth of throttle travel. If nothing about it irritates, the honest answer is that this module has nothing to fix.

Six Cylinders

At the other extreme, an inline six is so smooth that a lean patch is easy to miss. The correction still applies; the rider simply has less to compare it against.

Fitment and Compatibility

  • Yamaha XJ6 (2009–2015)

Specifications

Model JP MJ 008
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Yamaha XJ6 (2009–2015)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x power module
FitmentWhich bikes this fits
  • Yamaha XJ6 (2009–2015)
07 · Support

Questions, one topic at a time.

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How long does delivery take?

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Within the EU, no — our prices already include all duties and EU VAT. For deliveries outside the EU (e.g. Switzerland, the UK or the USA), your order may be subject to import duties and taxes set by your country. These are collected by the carrier when your parcel arrives, aren’t included in our prices, and are outside our control.

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08 · Paddock

Before you go.

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