JetPrime JP SPS MK300 Yamaha R3 — SuperSport Left Handlebar Switch — view 1⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP SPS MK300
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsYamaha R3 (2019–2024)
DashboardRequires a MECTRONIK dashboard and a racing loom
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story▼

The left-hand SuperSport switch for a 2019 R3 running a MECTRONIK dashboard and a racing loom.

Key Features

  • Yamaha R3 (2019–2024)
  • Requires a MECTRONIK dashboard
  • CNC-milled Ergal 7075
  • Sealed switch elements
  • Racing loom required
  • Reduced SuperSport control set

MECTRONIK in National Racing

The Italian firm builds engine management and data systems that appear throughout southern European national championships. Its dashboards set their own button behaviour, which is why a Yamaha fitted with one needs switchgear built for MECTRONIK rather than for Yamaha.

A Cross-Manufacturer Number

The MK prefix identifies the electronics rather than the motorcycle, which is why the same family of part numbers appears under several brands here. The fitment list says which bikes the wiring has been verified against.

The Facelifted R3

This covers the 2019 bike with inverted KYB forks and R6-derived bodywork. It is the version most often prepared for competition, because the chassis finally justified the effort of doing so properly.

Not Interchangeable

JetPrime lists separate left-hand switches for MECTRONIK and I2M installations on this motorcycle. They have different internal wiring and no adapter exists between them, so the dashboard in the bike decides.

What the Racing Harness Removes

Lighting circuits, indicator relays and the immobiliser, along with a useful weight of wire on a bike where every kilogram counts twice as much as on a litre machine.

Operated Under Pressure

A rider early in a race has less spare attention than an experienced one, and the margin for fumbling a control is smaller. The machined step around each button gives the thumb something definite to work from.

Sealed Elements

Contacts sealed inside a one-piece milled body. Even at club level the machines are washed hot and stored in vans, and that is what the construction addresses.

Fitment and Compatibility

  • Yamaha R3 (2019–2024)

Specifications

Model JP SPS MK300
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Yamaha R3 (2019–2024)
Dashboard Requires a MECTRONIK dashboard and a racing loom
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box▼
  • 1x handlebar switch
FitmentWhich bikes this fits▼
  • Yamaha R3 (2019–2024)
07 · Support

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