⟲ 360° — drag meThe facts.
| Model | JP MJ 008 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Kawasaki Vulcan 650 S (2015–2023) |
| Installation | Plug-and-play, no wiring harness modifications required |
DescriptionThe whole story▼
The JP MJ 008 sits between the Vulcan 650 S's loom and its injectors and adjusts how long each one stays open, which is the whole of what a power module does.
Key Features
- Kawasaki Vulcan 650 S (2015–2023)
- 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
A Cruiser That Revs
Kawasaki put the ER-6 twin into a low chassis, which produced a cruiser with a rev ceiling and a delivery unlike anything else in the class.
Where It Lives
Under the seat or beneath the tank on most machines, cable-tied where it cannot chafe and where water does not collect. Two hundred grams in that position affects nothing about how the motorcycle handles.
Removal Before a Service
Five minutes with the seat off returns the motorcycle to standard. Whether that is necessary depends on the dealer and the term, but the option existing at all is part of what the product is.
What Riders Report
Cleaner pick-up from a closed throttle, less hunting at a steady speed and a general sense that the engine is less reluctant below four thousand. Those three come up again and again.
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 Connectors Do the Work
A harness with the correct plugs moulded on is what makes this a twenty-minute job rather than an afternoon with a soldering iron and a wiring diagram.
The Airbox Lid
Owners sometimes drill or remove it hoping for the same result. That changes airflow without changing fuel and generally makes the mixture problem worse rather than better.
Closed Loop and Open Loop
Below a certain load the controller trims against the oxygen sensor; above it, it follows the stored map alone. The second region is larger than most riders expect and it is where a module has free rein.
Fitment and Compatibility
- Kawasaki Vulcan 650 S (2015–2023)
Specifications
| Model | JP MJ 008 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Kawasaki Vulcan 650 S (2015–2023) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x power module
FitmentWhich bikes this fits▼
- Kawasaki Vulcan 650 S (2015–2023)
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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.