⟲ 360° — drag meThe facts.
| Model | JP MJ 008 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | MV Agusta F3 800 (2021–2023) |
| Installation | Plug-and-play, no wiring harness modifications required |
DescriptionThe whole story▼
The JP MJ 008 is a two hundred gram module for the F3 800 that does one thing: it lengthens or shortens the injector pulse the standard controller decided on.
Key Features
- MV Agusta F3 800 (2021–2023)
- 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
The Larger Triple
MV enlarged the F3 and gave it torque the 675 never had, turning a beautiful motorcycle into a usable one.
What It Cannot Fix
A worn throttle position sensor, a leaking inlet rubber, a clogged filter or a sticking valve. A module corrects fuel quantity and nothing else. Fitting one to hide a mechanical fault postpones the diagnosis rather than avoiding it.
Vibration and Water
The module lives on a motorcycle and is built accordingly, sealed as a unit and secured rather than left hanging. Neither is remarkable; both are necessary.
Model-Specific Wiring
JetPrime supplies the harness for the chosen motorcycle with the correct connectors moulded on. It is the part of the product that costs the most to develop and the part nobody thinks about.
Reading the Fault Memory
Untouched electronics report honestly. On a machine with a flashed controller a diagnostic session is a negotiation; on one with a module it is simply a diagnostic session.
The Second Thing
Steady-speed hunting disappears or reduces. On a motorway at a constant opening a lean cruise setting produces a slow surge that riders stop noticing until it stops happening.
A Second Opinion Worth Having
Ride the motorcycle for a week paying attention to the first eighth of throttle travel. If nothing about it irritates, the honest answer is that this module has nothing to fix.
The Rev Limiter
Untouched, because it belongs to the standard controller. Nobody should fit this expecting the engine to rev further than the factory allowed.
Fitment and Compatibility
- MV Agusta F3 800 (2021–2023)
- Covers the F3 800 R, F3 800 RC, F3 800 RR, F3 800 Rosso versions of this model
Specifications
| Model | JP MJ 008 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | MV Agusta F3 800 (2021–2023) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x power module
FitmentWhich bikes this fits▼
- MV Agusta F3 800 (2021–2023)
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.