JetPrime JP ES 046 KTM — SLS/AIS Block-Off Plate — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP ES 046
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsKTM 1390 Super Adventure R (2025–2026)
InstallationPlug-and-play, no wiring harness modifications required
FitmentKTM 1390 Super Adventure (2025–2026) / KTM 1390 Super Adventure R (2025–2026) / KTM 1390 Super Adventure S (2025–2026) / KTM 1390 Super Adventure S EVO (2025–2026)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

The JP ES 046 caps the 1390 Super Adventure R's air injection ports with turned billet plugs.

Key Features

  • KTM 1390 Super Adventure R (2025–2026)
  • Caps the air injection port in the head
  • Turned from solid billet
  • Sealed with an O-ring, no jointing compound
  • Uses KTM's own fastener positions
  • Standard housing refits at any time

The Housings

One reed assembly per cylinder head with a hose from the airbox. They stay in place after any electrical deletion.

Tubeless Spoked Wheels

A twenty-one inch front with spokes that seal without a tube. It is the arrangement that makes a puncture repairable at the roadside rather than a recovery.

Exposed Above the Engine

Hoses and plastic boxes are what a fall on rocks finds first. Removing them removes a failure a long way from any workshop.

Sealed on an O-Ring

A rubber ring in a machined groove against a flat face. No compound, no paper and nothing to scrape off in a field.

Both Cylinders

The LC8 carries the arrangement twice. The deletion is only complete when both heads are capped.

CAMshift

Variable valve timing arrived with the 1390 and gave the big twin genuine low-speed drive. Off tarmac, that matters more than the peak figure ever did.

Before Any Mapping

Air injected after combustion corrupts gas analysis, and bikes prepared for altitude or poor fuel are remapped routinely.

Original Fasteners

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

The Electrical Half

The solenoid circuit is watched separately and needs its own eliminator.

Type Approval

Removing emissions equipment ends road legality in Europe and affects the warranty position on a current model.

A Hundred and Seventy-Three Horsepower Off Road

The figure is absurd for a motorcycle with a twenty-one inch front wheel, and the remarkable part is how composed the bike stays when it is used that way. Variable valve timing is most of the reason: the drive arrives low enough to be usable on loose ground.

Fitment and Compatibility

  • KTM 1390 Super Adventure R (2025–2026)

Specifications

Model JP ES 046
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits KTM 1390 Super Adventure R (2025–2026)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x block-off plate
FitmentWhich bikes this fits
  • KTM 1390 Super Adventure R (2025–2026)
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08 · Paddock

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