JetPrime JP ACC TR039 Triumph Tiger Sport 800 — 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 Tiger Sport 800 (2025–2026)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP ACC TR039 is built for riders who find the Tiger Sport 800's standard throttle sweep too long to use without shuffling their hand on the bar.

Key Features

  • Triumph Tiger Sport 800 (2025–2026)
  • 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

The Newest Sport Tourer

Triumph enlarged the triple for the 800 and gave it the equipment the 660 lacked. It is a road machine with no off-road pretence at all.

Machined From Solid

Ergal cut on a machine rather than moulded, which is what allows the internal ratio to be held to a figure instead of to a tolerance band.

The Return Spring

It has to close the throttle reliably every time, which is why the spring rate is chosen with the shorter travel rather than carried over from the original.

Ergal

The trade name covers the 7000 series alloys, chosen here because the internal profile has to hold its shape under a spring load for years.

Two Riders, One Bike

A short-stroke throttle is a preference rather than an improvement. A bike shared between a track rider and a commuter is an argument for keeping the standard part reachable.

A Third of a Turn Saved

Where a standard assembly asks the hand to travel most of a rotation, this one is done in sixty degrees. The saving is felt at the top of the movement rather than at the bottom.

The Reset Is Model Specific

Some manufacturers call it a throttle learn, others an adaptation reset. The tool differs and the effect is identical.

From Cable to Measurement

The change arrived quietly across fifteen years, driven by legislation that needed the engine able to disagree with the rider. Once the link was electronic the grip stopped being a mechanism. Everything about this part follows from that, including why it needs teaching.

Two Bikes, One Rider

A short-stroke throttle on one machine and a standard one on another takes some adjustment each time the garage door opens. Most owners settle into it, but it is worth knowing before fitting the part to only half the fleet.

Fitment and Compatibility

  • Triumph Tiger Sport 800 (2025–2026)

Specifications

Model JP ACC TR039
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Triumph Tiger Sport 800 (2025–2026)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x throttle housing
FitmentWhich bikes this fits
  • Triumph Tiger Sport 800 (2025–2026)
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08 · Paddock

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