⟲ 360° — drag meThe facts.
| Model | JP CJP 172D |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Benelli BN251 (2016–2020) |
| Installation | Plug-and-play, no wiring harness modifications required |
DescriptionThe whole story▼
The JP CJP 172D gives the BN251 complete management of its fuel map, adjusted on a laptop rather than shipped with a curve somebody else worked out.
Key Features
- Benelli BN251 (2016–2020)
- Fully programmable fuel map, written on a PC
- Complete two-axis management: engine speed and load
- For engines with an aftermarket exhaust or air filter
- Plug-and-play with model-specific wiring
- Unplugs at any time, nothing is written to the motorcycle
Even Smaller
A 250 cc single roadster built for markets where the licence classes stop lower. It is honest transport rather than an object of desire.
Air Filters Specifically
A less restrictive filter changes airflow across the whole map rather than at one point. Correcting that properly needs a surface, not a single percentage.
The Learning Curve
Two evenings to understand the software, several more to produce something worth keeping. That is the honest estimate and it is the main reason people buy the other unit.
The Standard Controller Keeps Watching
Its protections, its limiter and its rider aids all continue to operate. Nothing about the added map disables anything the factory built in.
Backups Before Every Session
Save, date the filename, then change things. The rule exists because everybody who ignores it loses an evening's work exactly once.
Cruise First
The cells a motorcycle actually occupies on a road are a small part of the map and account for most of what a rider notices. Start there rather than at full load.
Backups Off the Laptop
Copy the good maps somewhere else. Laptops in paddocks get dropped, rained on and left behind, and a map is easier to lose than to recreate.
The Airbox Matters
Anything that changes intake flow changes the whole surface. Owners who modify the airbox after mapping have a mapping session ahead of them, not an adjustment.
A Map Has No Ceiling
Unlike a fixed curve it can keep improving as long as somebody keeps working on it. That is the argument for the higher price and it is only worth anything to an owner who will do the work.
Fitment and Compatibility
- Benelli BN251 (2016–2020)
Specifications
| Model | JP CJP 172D |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Benelli BN251 (2016–2020) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x control unit
FitmentWhich bikes this fits▼
- Benelli BN251 (2016–2020)
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.