⟲ 360° — drag meThe facts.
| Model | JP ES 002 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Ducati Monster 821 (2017–2021) |
| Installation | Plug-and-play, no wiring harness modifications required |
| Fitment | Ducati Monster 821 (2017–2021) |
| Road approval | None — closed-circuit and race use only |
DescriptionThe whole story▼
The JP ES 002 empties the space the charcoal canister took up on the Monster 821 and closes the fuel system properly rather than leaving the tank to breathe through nothing.
Key Features
- Ducati Monster 821 (2017–2021)
- Removes the charcoal canister, its valve and its hoses
- Vents the fuel tank through a proper fitting
- Answers the purge valve circuit
- Frees the space the canister occupied
- Standard parts refit at any time
Eight Hundred and Twenty-One Cubic Centimetres
The Testastretta 11 degree twin making a hundred and nine horsepower, in a chassis aimed at riders who found the 1200 too much.
Activated Carbon in a Vessel
It absorbs petrol vapour rising from a warm tank and holds it until the engine can draw it through the intake. That is the entire mechanism.
An Open Hose Is Not Equivalent
It works until the motorcycle is transported on its side or dropped, and then it demonstrates precisely why a proper fitting exists.
An Older Bike, a Spent Bed
On anything past a decade the carbon has almost certainly stopped absorbing, which makes the assembly dead weight in the most literal sense.
Photograph Everything First
The routing is genuinely hard to reconstruct from memory, particularly where a hose passes behind the frame. Two minutes with a camera prevents that.
Not a Difficult Decision
For most owners the space and the reliability outweigh a system they never knew they had. The legal position is the only genuine consideration.
An Honest Account of the Gain
A little weight, a useful amount of space and one fewer component that can fail without warning. No power, no throttle response and no consumption benefit.
What Comes Off the Motorcycle
The canister itself, the purge valve, three or four hoses depending on the model, and the brackets holding all of it. It is more than most owners expect and the space it leaves behind is the main reason the job gets done at all.
Fuel Level and the Vent
A tank that cannot breathe pulls a vacuum as it empties, and the symptom is an engine that starves after forty minutes and runs perfectly the moment the filler cap is cracked open. Owners chasing that fault rarely suspect the vent, which is why the fitting supplied with the kit matters more than it looks.
Fitment and Compatibility
- Ducati Monster 821 (2017–2021)
Specifications
| Model | JP ES 002 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Ducati Monster 821 (2017–2021) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x eliminator
FitmentWhich bikes this fits▼
- Ducati Monster 821 (2017–2021)
Questions, one topic at a time.
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Our team is happy to help. Use the contact button below and we’ll personally help you choose the right gear or part.
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.