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

The facts.

Technical data
BrandJetPrime
Part numberJP ES 046
FunctionCNC-machined cover plate
TypeSLS/AIS Block-Off Plate
InstallationPlug-and-play, no modification to the original wiring
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 1390's variable-timing LC8 is a substantially new engine, but its reed valve mountings and airbox spigot carried over from the 1290. JP ES 046 closes both once the PAIR system is off.

Key Features

  • For the 2025–2026 1390 Super Adventure, S and R
  • CNC-machined aluminium covers for both cylinder heads
  • Rubber airbox plug included
  • Bolts to the original mounting points
  • Shares the part number with the 1290
  • Purely mechanical

New Engine, Same Interfaces

KTM changed a great deal inside the 1390 — camshaft actuation, timing strategy, output — and almost nothing about where the secondary air system bolts on. For an owner that means parts continuity: the covers that fit a 1290 fit this, and a workshop that has done the job before will recognise everything.

Worth Weighing on a Travel Bike

A Super Adventure is bought to cover ground on public roads, and the PAIR system is part of what makes it road legal. These plates are the visible, permanent half of removing it. That is a more pointed consideration here than on a circuit machine, and it belongs settled before the first bolt comes out.

Fitting It

Tank shrouds and airbox cover off for access, reed valve covers unbolted, valves out, faces cleaned, plates fitted. The airbox plug goes in at the same time. Budget an afternoon, most of it panels.

Fitment and Compatibility

  • KTM 1390 Super Adventure (2025–2026)
  • KTM 1390 Super Adventure S (2025–2026)
  • KTM 1390 Super Adventure R (2025–2026)

Road Approval

None. Closed-circuit and competition use only.

Warranty Is a Real Consideration

A 2025 Super Adventure is inside its warranty period, and missing emissions equipment is exactly the sort of thing a dealer notices. Nothing here is cut, so the bike returns to standard — but only if the original parts are still in your possession when that matters.

Specifications

  • Brand: JetPrime
  • Part number: JP ES 046
  • Type: SLS/AIS block-off plate
  • Function: CNC-machined covers and airbox plug for PAIR removal
  • Material: CNC-machined aluminium
  • Installation: bolt-on, uses the original mounting points
  • Fitment: KTM 1390 Super Adventure / S / R (2025–2026)
  • Road approval: none — closed-circuit and race use only
FitmentWhich bikes this fits
  • KTM 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)
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08 · Paddock

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