
The facts.
| Model | JP ES 008 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Aprilia RS 660 (2020–2026) |
| Installation | Plug-and-play, no wiring harness modifications required |
| Fitment | Aprilia RS 660 (2020-2026) |
| Intended Use | Race and track use only — not approved for road use |
DescriptionThe whole story▼
The JP ES 008 bridges the RS 660's clutch lever switch so the engine starts with a lever assembly that no longer carries one.
Key Features
- Aprilia RS 660 (2020–2026)
- 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
What the Switch Is For
The controller will not crank the engine with a gear engaged unless the clutch lever is pulled. The switch is what tells it that the lever has moved.
Why It Disappears
Race lever assemblies, folding levers and remote adjusters often have no provision for it. Fitting one means the switch has nowhere to live.
What Happens Then
The starter will not turn with a gear selected, which on a grid or in a pit lane is exactly the wrong behaviour.
Bridged Electrically
This unit closes the circuit permanently, so the controller reads the lever as pulled at all times. Nothing else in the starting strategy changes.
Understand What Is Lost
The interlock exists so a motorcycle cannot lurch forward when the starter is pressed. With it bridged, that protection is gone and the rider is responsible for it.
A Hundred Horsepower, 183 Kilograms
The RS 660 is quick because it is light. It is also small enough that a lurch from a standing start reaches a wall faster than expected.
Aprilia's Own Plug
One connector at the bar, no adapters and nothing spliced. The exchange takes a minute with the lever assembly already off.
Nothing Cut
The loom is left exactly as the factory built it, so the standard switch refits whenever the standard lever does.
For a Track Bike
A motorcycle used on public roads should keep the interlock. This part is for one that has stopped being road legal.
Reversible
Unplug it, refit the standard lever assembly and the interlock works again with nothing left behind.
Fitment and Compatibility
- Aprilia RS 660 (2020–2026)
Specifications
| Model | JP ES 008 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Aprilia RS 660 (2020–2026) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x eliminator
FitmentWhich bikes this fits▼
- Aprilia RS 660 (2020–2026)
Questions, one topic at a time.
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.