⟲ 360° — drag meThe facts.
| Model | JP MJ 001 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Moto Guzzi Stelvio (2008–2017) |
| Installation | Plug-and-play, no wiring harness modifications required |
DescriptionThe whole story▼
The JP MJ 001 is what an owner fits to the Stelvio after an exhaust, when the standard closed-loop correction has run out of authority.
Key Features
- Moto Guzzi Stelvio (2008–2017)
- Preset fuel module, no programming required
- Corrects the mixture without remapping the original electronics
- Plug-and-play with model-specific wiring
- Around 200 g, fitted in an evening
- Unplugs at any time, nothing is written to the motorcycle
A Transverse Vee
Guzzi's ninety degree twin sits across the frame with the cylinders in the airflow, which is why the engine has never needed much cooling help.
Constant Throttle Surging
A lean cruise setting produces a slight hunting at steady speeds that riders learn to ignore. It is the most common complaint about modern fuel injection and it is the thing a fuel module is best placed to address.
The Closed Loop Window
Modern controllers only trim against the oxygen sensor in a narrow band of load and revs. Outside that band the map runs open loop, and that is exactly where an added correction has room to work.
Service History Stays Readable
A workshop reads the standard controller and finds the standard controller. That is worth more on a motorcycle that will be sold than most owners realise while they still own it.
No Settings to Get Wrong
A preset curve cannot be misconfigured, cannot be lost when a battery is disconnected and cannot be blamed for a fault six months later. That reliability is the argument for buying the simpler of the two units.
The Legal Note
Fuelling is part of the emissions approval in most of Europe. A modified mixture puts the machine outside its approved condition, and that is a local question with a local answer.
Buying Second Hand
A motorcycle offered with one fitted should come with the original connectors intact underneath. Checking that takes a minute with the seat off and settles whether anything was cut.
Big Singles
A thumper is the clearest case of all. With one cylinder and one firing event every other revolution, any hesitation at small openings is felt directly through the chassis.
Fitment and Compatibility
- Moto Guzzi Stelvio (2008–2017)
- Covers the Stelvio 8V STD - NTX, Stelvio STD - NTX versions of this model
Specifications
| Model | JP MJ 001 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Moto Guzzi Stelvio (2008–2017) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x power module
FitmentWhich bikes this fits▼
- Moto Guzzi Stelvio (2008–2017)
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.