JetPrime JP ES 660 Aprilia Tuono 660 Factory — PAIR system eliminator cover — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP ES 660
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsAprilia Tuono 660 Factory (2021–2026)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP ES 660 blanks the Tuono 660 Factory's secondary air port with a plate machined from billet.

Key Features

  • Aprilia Tuono 660 Factory (2021–2026)
  • Blanks the secondary air port in the head
  • Machined from solid aluminium
  • O-ring sealed, no jointing compound
  • Original fastener positions
  • Standard housing refits at any time

What It Replaces

The reed housing on the cylinder head and the hose running to it from the airbox. Together they are the mechanical half of the system.

Prepared by Its Owner

The Factory is the version bought by riders who use circuits, and those bikes collect an exhaust and a map early. The deletion belongs at the start of that.

Sealed on an O-Ring

A turned groove and a rubber ring against a machined face. Nothing is glued and nothing has to be scraped clean later.

Kayaba Forks and a Sachs Shock

Fully adjustable at both ends, which is the change that makes suspension setup possible rather than theoretical and the main reason to buy the Factory.

Shorter Final Drive

The Factory runs different gearing to the standard bike. It is a small change that makes the midrange feel considerably stronger.

Honest Gas Readings

Air entering the exhaust downstream of combustion makes a dyno describe the plumbing rather than the engine.

Original Fasteners

Aprilia's own positions and torque figures, with nothing drilled or tapped anywhere.

Only Half the Job

The solenoid circuit is monitored separately and needs its own part before the panel stays clear.

Homologation

The system is part of the approval and removing it ends road legality in Europe.

Reversible

The standard housing refits on its own fasteners at any time.

A Single Seat Cover

Aprilia supplies one as standard, which says plainly what the Factory was built around. Very few of these are ever ridden two up, and the specification is honest about that rather than pretending otherwise.

Shorter Final Drive

The Factory runs different gearing to the standard Tuono, which is a small change that makes the midrange feel considerably stronger without touching the engine. On a circuit it also puts the useful part of the powerband where the corners are.

Fitment and Compatibility

  • Aprilia Tuono 660 Factory (2021–2026)

Specifications

Model JP ES 660
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Aprilia Tuono 660 Factory (2021–2026)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x block-off plate
FitmentWhich bikes this fits
  • Aprilia Tuono 660 Factory (2021–2026)
07 · Support

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08 · Paddock

Before you go.

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