JetPrime JP CJP 132T Yamaha R125 — Programmable Control Unit — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP CJP 132T
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsYamaha R125 (2008–2016)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP CJP 132T hands the R125 a blank fuel map and the software to fill it, which is both the entire product and the entire commitment.

Key Features

  • Yamaha R125 (2008–2016)
  • 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

A Single With Variable Valves

Yamaha's 125 uses variable valve actuation to meet emissions and still rev, which is a remarkable amount of engineering for a learner machine.

Model-Specific Wiring

The harness is cut for one motorcycle with the correct connectors moulded on. That is why the catalogue lists machines rather than engine families and why year spans matter.

Class Regulations

Some championships restrict what may manage the engine. An added fuel controller is permitted in many and prohibited in a few, and the rulebook is the only authority.

Reversible Means Reversible

Unplug the unit, mate the original connectors and every trace is gone. Nothing was written to the motorcycle and nothing needs restoring.

Regulations

Championships differ on engine management. Some permit added fuel controllers freely, some restrict them and a few prohibit them, and only the rulebook decides which.

Windows and a Cable

The software is a workshop tool from JetPrime, not a phone application. It looks utilitarian because it is, and everything it does happens through a USB connection.

Heat Under the Seat

The unit lives where an engine has been working. It is built for that; pressing it against a rail that carries exhaust heat is still worth avoiding.

Track Bikes Are Simpler

A motorcycle with no registration and no test to pass removes the legal question entirely, which is one more reason this unit belongs on a circuit machine.

Riding the Empty Map First

Worth insisting on. A motorcycle you have felt with every cell at zero gives you a reference; one you started changing immediately gives you nothing to compare against.

Fitment and Compatibility

  • Yamaha R125 (2008–2016)

Specifications

Model JP CJP 132T
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Yamaha R125 (2008–2016)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x control unit
FitmentWhich bikes this fits
  • Yamaha R125 (2008–2016)
07 · Support

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08 · Paddock

Before you go.

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