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

The facts.

Technical data
BrandJetPrime
Part numberJP ES 007
FunctionBypasses the PAIR solenoid circuit
TypePAIR Solenoid Eliminator
InstallationPlug-and-play, no modification to the original wiring
FitmentYamaha MT-03A (2016–2025)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

The MT-03 is an A2 bike that a great many riders keep after they no longer need it to be one, and it takes well to being prepared for track days. JP ES 007 handles the secondary air solenoid across ten model years.

Key Features

  • For the Yamaha MT-03A, 2016–2025
  • Electronic bypass of the PAIR solenoid circuit
  • Removal without ECU fault or dash warning
  • Direct plug on the standard connector
  • Shared with the R3 that uses the same engine
  • Standard parts refit at any time

Small Engine, Same Rules

A 321 cc twin is subject to the same emissions requirements as anything larger, so it carries the same secondary air arrangement in miniature. The solenoid is smaller, the hoses are shorter, and the ECU checks for it exactly as thoroughly.

Where the Weight Sits

On a bike this light every removed component is a larger proportion of the total than it would be elsewhere. The solenoid, its bracket, the hoses and the reed valves together are not dramatic, but on a 300 competing in a class where the machines are nearly identical, riders count things that would be ignored on a superbike.

Part of a Larger Job

This eliminator handles the electronics only. Removing the hardware leaves an open port in the cylinder head that must be sealed, which is a separate plate — or the complete kit that contains both.

Fitment

  • Yamaha MT-03A (2016–2025)

Road Approval

None. Closed-circuit and race use only.

Specifications

  • Brand: JetPrime
  • Part number: JP ES 007
  • Type: PAIR Solenoid Eliminator
  • Function: Bypasses the PAIR solenoid circuit
  • Installation: plug-and-play, no modification to the original wiring
  • Fitment: Yamaha MT-03A (2016–2025)
  • Road approval: none — closed-circuit and race use only
FitmentWhich bikes this fits
  • Yamaha MT-03A (2016–2025)
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