JetPrime JP ES 007 Yamaha — PAIR Solenoid Eliminator — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP ES 007
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsYamaha MT-03A (2016–2025)
InstallationPlug-and-play, no wiring harness modifications required
FitmentYamaha MT-03A (2016–2025)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

The JP ES 007 takes the PAIR solenoid out of the MT-03's emissions system and stops the fault code.

Key Features

  • Yamaha MT-03 (2016–2025)
  • Removes the PAIR secondary air solenoid
  • Suppresses the resulting dashboard fault
  • Plug-and-play on the original connector
  • No cutting and no splicing
  • Fully reversible to standard

Air Into the Exhaust

The secondary air system feeds fresh air into the exhaust ports so unburnt fuel finishes burning there. It lowers measured emissions and it has no effect on power.

The Popping

Extra oxygen meeting hot unburnt fuel on a closed throttle is where the banging on the overrun comes from. Riders usually blame the exhaust and the exhaust is usually innocent.

Before Any Fuelling Work

Air arriving downstream of combustion corrupts the lambda reading. Anybody mapping a small twin honestly takes the PAIR system out before starting.

The Code

Unplug the solenoid and the ECU records a fault within seconds. This unit supplies the electrical load it expects so nothing appears and nothing is stored.

The Other Half

The ports on the cylinder head still need blanking. The solenoid eliminator solves the electrical side and a separate cover solves the mechanical one.

Emissions Approval

Removing this equipment takes the motorcycle outside its type approval. In most of Europe that makes it a track modification and the listing states that plainly.

A Naked R3

Yamaha took the R3's 321 cc twin, fitted wide bars and an upright seat and produced the MT-03. It is the more usable of the two on any road that is not a circuit.

Ten Model Years

The fitment covers 2016 to 2025 without a change in the emissions hardware, which is unusual longevity for a small-capacity model.

Reversible

Yamaha's own connector, nothing spliced. The solenoid refits for an inspection without leaving any evidence behind.

Wide Bars, Same Engine

Yamaha changed the riding position and almost nothing else when it turned the R3 into the MT-03. On a small twin that has to be revved, an upright seat and real leverage make the bike considerably easier to ride quickly on a road.

Fitment and Compatibility

  • Yamaha MT-03A (2016–2025)

Specifications

Model JP ES 007
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Yamaha MT-03A (2016–2025)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x eliminator
FitmentWhich bikes this fits
  • Yamaha MT-03A (2016–2025)
07 · Support

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