JetPrime JP ACC TR039 Triumph Daytona 660 — Short-Stroke Throttle Grip — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP ACC TR039
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsTriumph Daytona 660 (2024–2025)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP ACC TR039 changes how far the Daytona 660's grip has to turn and nothing else, which is a smaller claim than most cockpit parts make and an easier one to keep.

Key Features

  • Triumph Daytona 660 (2024–2025)
  • Ride-by-wire quick throttle with a sixty degree rotation angle
  • CNC-machined from solid Ergal
  • Plug-and-play on the motorcycle's own connector
  • Diagnostic reset required after fitting
  • Standard throttle assembly refits at any time

A Daytona Again

Triumph put the 660 triple into faired bodywork and revived a name that had been dormant for years. It is a sports bike aimed at riders rather than at lap times.

What Is in the Box

The throttle assembly itself. Grips, bar ends and switchgear are the rider's own and carry over from the standard unit.

The Response Is Not Sharpened

The map is untouched and so is the relationship between opening and fuelling. What changes is the mechanical ratio between the hand and that opening.

Fitting Order

Bar end, grip, switchgear, then the assembly. Reassembly is the reverse and the only awkward moment is threading the connector back where it came from.

After a Battery Disconnect

Some models lose adaptations when the battery comes off, which is a reason to do the electrical work and the throttle change in the same session.

The Learn Routine, in Plain Terms

The controller is told to look at the throttle with the grip released and write down what it sees. Everything after that is measured from that number.

Keeping the Bike Original

Everything removed is reusable and nothing is modified. That property is worth more on a motorcycle likely to be sold than on one likely to be kept.

What Goes Slack Over Time

The standard tube turns inside a moulded bore and the pair develop play. It shows as a dead zone before anything happens and a rattle at the bar end. Almost nobody identifies it, because it arrives slowly and the hand adapts.

The Sensor Carries Over

On most models the motorcycle's own position sensor moves into the new body rather than being replaced. That is what keeps the electrical side a plug being moved across, and it is why the parts are listed per machine.

Fitment and Compatibility

  • Triumph Daytona 660 (2024–2025)

Specifications

Model JP ACC TR039
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Triumph Daytona 660 (2024–2025)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x throttle housing
FitmentWhich bikes this fits
  • Triumph Daytona 660 (2024–2025)
07 · Support

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08 · Paddock

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