⟲ 360° — drag meThe facts.
| 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 |
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)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.