JetPrime JP ES 008 Aprilia — Clutch Switch Eliminator — view 1
02 · Data & docs

The facts.

Technical data
ModelJP ES 008
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsAprilia Tuono 660 (2021–2024)
InstallationPlug-and-play, no wiring harness modifications required
FitmentAprilia Tuono 660 (2021–2024) / Aprilia Tuono 660 Factory (2021–2024) / Aprilia Tuareg 660 (2021–2026) / Aprilia Tuareg 660 Rally (2025–2026)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

The JP ES 008 bridges the Tuono 660's clutch lever switch so the engine starts without one fitted.

Key Features

  • Aprilia Tuono 660 (2021–2024)
  • Bridges the clutch lever switch electrically
  • The engine starts without the lever pulled
  • Plugs into Aprilia's own connector
  • For a lever assembly that no longer carries a switch
  • Standard switch refits at any time

The Start Interlock

With a gear engaged, the controller needs confirmation that the clutch is disengaged before it will crank. The lever switch provides it.

When the Switch Goes

An aftermarket lever assembly, a folding lever or a repositioned master cylinder can all leave nowhere to mount it. The circuit then never closes.

The Symptom

The starter does nothing in gear. In neutral the bike starts normally, which makes the cause easy to miss.

Closed Permanently

This unit holds the circuit closed so the controller always reads the lever as pulled. Nothing else about the starting sequence changes.

What That Costs

The protection against a bike lurching forward on the starter is gone. That is a deliberate trade and it belongs on a machine used at circuits.

Ninety-Five Horsepower

Slightly softened from the RS 660 tune, which suits the wide bars. On a road it is quicker than the faired bike more often than anyone admits.

One Connector

Aprilia's own plug at the handlebar. Fitted in a minute while the lever assembly is already apart.

Nothing Spliced

The loom stays as it came from the factory and the standard switch refits at any point.

Not for the Road

On a registered motorcycle the interlock should be working. It prevents a specific accident in a pit lane or a garage.

Reversible

Unplug the bridge, refit the standard lever and everything works as it did.

The Better Road Bike

Owners who have both tend to reach for the Tuono on anything that is not a circuit, because the bars are higher, the seat is kinder and the engine gives away almost nothing. It is one of the rare cases where the naked derivative is more than a cheaper alternative.

Fitment and Compatibility

  • Aprilia Tuono 660 (2021–2024)

Specifications

Model JP ES 008
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Aprilia Tuono 660 (2021–2024)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x eliminator
FitmentWhich bikes this fits
  • Aprilia Tuono 660 (2021–2024)
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