JetPrime JP ES 043 BMW S1000R — PAIR system eliminator cover — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP ES 043
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsBMW S1000R (2021–2026)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP ES 043 caps the current S1000R's cylinder head ports with a cover machined from solid.

Key Features

  • BMW S1000R (2021–2026)
  • Blanks the secondary air ports in the cylinder head
  • Machined from solid aluminium
  • O-ring sealed, no jointing compound
  • Original fastener positions
  • Standard housing refits at any time

For the 2021 Bike Onward

BMW changed the engine and the head arrangement with the redesign, so this cover fits the later machines and the earlier ones need a different part.

The Physical Half

A reed housing on the head with a hose from the airbox. Silencing the solenoid electrically leaves every part of it bolted in place.

Why Aluminium

A moulding on a cylinder head has a finite life and a turned cover does not have anything inside it that can fail. That is the whole argument.

Sealed on an O-Ring

A rubber ring in a machined groove rather than compound on a flat face, so the joint comes apart cleanly years afterwards.

The M Package

Carbon wheels, an adjustable swingarm pivot and a lighter battery. A great many S1000R buyers take it, which says plainly what these bikes get used for.

Track Days on a Naked Bike

More of these see circuits than the category suggests, and those bikes collect exhausts and mapping within the first season.

Original Fasteners

BMW's own positions and torque values, with nothing drilled anywhere in the head.

Not the Electrical Half

The controller still monitors the solenoid whatever is bolted to the head, and that circuit needs its own eliminator.

Reversible

The standard housing refits with its own fasteners and nothing is consumed.

Homologation

Removing emissions equipment ends road legality where the system is part of the approval.

Two Hundred and Five Horsepower

From the current engine, detuned for midrange rather than peak and giving up remarkably little in the process. On a real road the naked bike is quicker more often than either owner would admit.

Fitment and Compatibility

  • BMW S1000R (2021–2026)

Specifications

Model JP ES 043
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits BMW S1000R (2021–2026)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x block-off plate
FitmentWhich bikes this fits
  • BMW S1000R (2021–2026)
07 · Support

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08 · Paddock

Before you go.

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