JetPrime JP KS YA003 Yamaha YZF-R1 Race — Kill Switch Button (Black) — view 2 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP KS YA003
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsYamaha YZF-R1 Race (2025–2025)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP KS YA003 is the racing ignition switch for the YZF-R1 Race, with the connector the motorcycle already has and nothing in the loom cut.

Key Features

  • Yamaha YZF-R1 Race (2025)
  • 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

Track Only, Officially

Yamaha sells the current R1 without lights or a plate in most of Europe. The ignition lock on a machine like that is a formality nobody needs.

No Key at All

The bike is armed and killed by a button rather than by turning something. There is nothing to lose in a paddock and nothing to carry in a set of leathers.

A Race Regulation Question

Some championships have rules about how the engine must be stoppable. Worth reading before ordering rather than at scrutineering.

Race Kit Looms

Machines running a race harness expect a different arrangement, which is why some models appear twice in the catalogue under separate numbers.

Wiring Length

The connector sits where the block's did, so the loom does not need extending. That is part of what model-specific means here.

Refitting

The standard block goes back on its own fasteners with its own connector, which takes about as long as removing it did.

Colour

Anodised black as standard, with blue, red and titanium where the number offers them. The finish is in the metal rather than on it.

Keeping the Machine Reversible

Nothing is cut, drilled or soldered. The original block refits with its own fasteners, which matters for an inspection or a sale.

Made in Italy

JetPrime machine and assemble the part themselves rather than badging a bought-in switch, which is visible in how the plate meets the yoke.

The Fitting, Start to Finish

Tank or cover off to reach the loom, the ignition connector unplugged, two fasteners out of the top yoke, the block lifted away and the new body bolted into the same holes. Twenty minutes on most machines and no part of it needs the front end disturbed.

Fitment and Compatibility

  • Yamaha YZF-R1 Race (2025–2025)

Specifications

Model JP KS YA003
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Yamaha YZF-R1 Race (2025–2025)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x handlebar switch
FitmentWhich bikes this fits
  • Yamaha YZF-R1 Race (2025)
07 · Support

Questions, one topic at a time.

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08 · Paddock

Before you go.

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