JetPrime Kill Switch Button for Yamaha R1 (2004–2024) – JP KS YA003 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP KS YA003
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsYamaha R1 (2004–2024)
InstallationPlug-and-play, no wiring harness modifications required
IncludesKill switch button + key box (key container / emulator)
Available coloursBlack, Blue, Titanium
Intended useRace / track use only — not road-legal
DescriptionThe whole story

The JP KS YA003 is the kill switch listed for the R1, model-specific down to the plate shape and the connector the loom expects.

Key Features

  • Yamaha R1 (2004–2024)
  • Replaces the original ignition block, key and lock
  • Around 350 g off the top yoke
  • CNC-machined from solid Ergal
  • IP69K sealed push button
  • Plug-and-play on the motorcycle's own connector

The Crossplane Crank

Yamaha borrowed the firing order from their MotoGP machine, which is why an inline four sounds like a V4 and drives out of a corner like one.

Plug and Play

It uses the motorcycle's own connector where the ignition block plugged in. Nothing in the loom is cut and nothing is soldered.

What the Original Block Is

A lock barrel, a switch pack and on modern bikes an immobiliser aerial, all in one casting bolted through the top yoke.

Two Minutes to Understand

There is one button and one function. Nobody has ever needed instructions for this part beyond knowing which way is on.

What Stays

Switchgear, starter button, lights and every rider aid. This part occupies the space the ignition block did and nothing else.

Where the Grams Come From

A steel barrel, a lock mechanism, a bracket and a wiring pack. None of it light and all of it above the steering head.

Uses the Original Plug

The connector is the model's own, which is why nothing is cut and why refitting the standard block is a two-minute job at the electrical end.

The Immobiliser Question, Plainly

If the motorcycle needs the key present to start, the aerial must be dealt with. On many race-prepared bikes it already has been, by an ECU or a delete.

The Rider's Fingertip

It is the only part of this component anybody touches. That is why the switch, not the body, is the expensive half of the part.

Storing What Comes Off

Barrel, key, bracket and connector in one bag, kept with the motorcycle rather than in a drawer somewhere else. A reversible change is only reversible if somebody can find the parts, which is a lower bar than it sounds.

Fitment and Compatibility

  • Yamaha R1 (2004–2024)

Specifications

Model JP KS YA003
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Yamaha R1 (2004–2024)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x handlebar switch
FitmentWhich bikes this fits
  • Yamaha R1 (2004–2024)
07 · Support

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