
The facts.
| Brand | JetPrime |
|---|---|
| Part number | JP ES KIT20 |
| Function | Removes the EVAP canister system without ECU errors |
| Type | EVAP Canister Eliminator |
| Installation | Plug-and-play, no modification to the original wiring |
| Fitment | Aprilia RS 660 (2025–2026) |
| Road approval | None — closed-circuit and race use only |
DescriptionThe whole story▼
Aprilia revised the 660 for 2025 and changed the EVAP arrangement with it. JP ES KIT20 is the canister delete for the updated RS 660 — a different part from the earlier bikes and not interchangeable with them.
Key Features
- For the 2025–2026 Aprilia RS 660
- Removes canister, purge valve and vapour hoses completely
- Electronic purge valve eliminator prevents ECU faults
- Everything needed for the delete supplied together
- Plug-and-play on the factory connector
- Reversible if the standard system goes back on
Check the Year Before Ordering
RS 660s built up to 2024 take a different canister eliminator. The 2025 update changed the arrangement, and the connectors are the difference — nothing about the bodywork will tell you which one you have. The registration document settles it in seconds.
Why Bother on a 660
Space, mostly. The 660's frame is compact and the area under the tank is where every added harness wants to live — a lap timer, a datalogger, a quickshifter module. The canister assembly occupies a meaningful share of that, and its hoses run through the middle of it.
The Solenoid Is the Reason It Needs a Part
Unbolting a charcoal filter needs no electronics. The purge valve is different: the ECU switches it and monitors the coil, so pulling it out leaves an open circuit that gets reported immediately. The eliminator replicates the coil so the self-check passes.
Fitment and Compatibility
- Aprilia RS 660 (2025–2026)
Road Approval
None. The EVAP system is emissions equipment covered by type approval. Closed-circuit and competition use only.
Not the Same as the PAIR Delete
EVAP and PAIR are two different systems and people conflate them constantly. EVAP catches fuel vapour from the tank; PAIR injects fresh air into the exhaust ports. They have separate components, separate connectors and separate part numbers. Deleting one does nothing to the other, and a bike can quite happily run with one gone and the other intact.
Specifications
- Brand: JetPrime
- Part number: JP ES KIT20
- Type: EVAP canister eliminator
- Function: removes the EVAP canister system without ECU errors
- Includes: electronic purge valve eliminator and all parts required to delete canister, valve and hoses
- Installation: plug-and-play, no modification to the original wiring
- Fitment: Aprilia RS 660 (2025–2026)
- Road approval: none — closed-circuit and race use only
FitmentWhich bikes this fits▼
- Aprilia RS 660 (2025–2026)
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