JetPrime JP ES KIT20 Aprilia — EVAP Canister Eliminator — view 1
02 · Data & docs

The facts.

Technical data
ModelJP ES KIT20
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsAprilia RS 660 (2025–2026)
InstallationPlug-and-play, no wiring harness modifications required
FitmentAprilia RS 660 (2025–2026)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

The JP ES KIT20 removes the current RS 660's evaporative canister and closes the tank breather and purge circuit.

Key Features

  • Aprilia RS 660 (2025–2026)
  • Removes the evaporative canister and its hoses
  • Vents the tank through a proper fitting
  • Closes the purge valve circuit
  • Clears the space behind the engine
  • Standard parts refit at any time

Euro 5+

The tighter standard arrived with the 2025 model year and evaporative control got stricter with it. The hardware behind the engine grew rather than shrank.

A Different Layout

Aprilia rerouted the hoses and moved the vessel with the update, which is why the earlier kit does not fit. The part numbers are not interchangeable.

What Comes Out

The charcoal vessel, its bracket, the purge valve and every hose linking them to the tank and the intake.

A Correct Vent Fitting

The tank must still breathe. This kit supplies the proper part rather than leaving a hose to find its own way behind the swingarm.

The Purge Circuit

Closed rather than left open, so nothing is stored and no warning appears on the panel at the next ignition cycle.

Still 183 Kilograms

Aprilia added the emissions hardware without letting the weight climb, which took work. Removing what a track bike does not need takes it below where the first generation sat.

Shock Access

Preload and damping adjusters become reachable once the vessel is out, which on a bike being set up between sessions is worth real time.

A Wind Tunnel Fairing

The double skin moves hot air away from the rider and adds downforce. Aprilia reshaped it again for the current bike.

Reversible

Every original part refits in its original position with nothing cut.

Type Approval

Removing evaporative control ends road legality in every European market.

A Reworked Bike Underneath

The 2025 update was more than a bodywork change: Aprilia revised the electronics, the fuelling and the emissions hardware together. The motorcycle is better for it on a road and carries components a circuit bike has no use for.

Fitment and Compatibility

  • Aprilia RS 660 (2025–2026)

Specifications

Model JP ES KIT20
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Aprilia RS 660 (2025–2026)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x eliminator
FitmentWhich bikes this fits
  • Aprilia RS 660 (2025–2026)
07 · Support

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