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 1090 Adventure (2017–2019) / KTM 1090 Adventure L (2017–2019) / KTM 1090 Adventure R (2017–2019) / KTM 1090 Adventure S (2017–2019)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

With the PAIR solenoid and its hoses off a 1090 Adventure, two ports in the cylinder heads are open and the airbox has a hole in it. JP ES 046 is the machined set that closes both properly.

Key Features

  • Covers 1090 Adventure, Adventure L and Adventure R, 2017–2019
  • Billet aluminium plates in place of the original reed valve covers
  • Airbox plug supplied
  • Uses the standard bolts and sealing faces
  • No electrical connection — this is the mechanical half of the delete
  • One set across all three variants

Three Variants, One Head

KTM separated the 1090 range by suspension travel and ride height, not by engine. The cylinder heads and their reed valve mountings are identical on the base bike, the lowered L and the off-road R, so one set of plates covers all three. Useful if you own one and are looking at another.

What Still Needs Doing

These plates close the engine. They do not stop the ECU looking for the PAIR solenoid, so fitted on their own they will leave a fault code and a warning on the dash. The electronic eliminator is the other half, and JetPrime bundles both under a separate kit number for anyone starting from scratch.

Fitting It

The reed valve covers sit on top of each cylinder head, accessible once the tank cover and side panels are off. Unbolt, remove the valve assembly, clean the face and fit the plate. Nothing to time or adjust afterwards.

Fitment and Compatibility

  • KTM 1090 Adventure (2017–2019)
  • KTM 1090 Adventure L (2017–2019)
  • KTM 1090 Adventure R (2017–2019)

Road Approval

None. Closed-circuit and competition use only.

Anodised, Not Painted

The plates are anodised, so the finish is part of the metal rather than a layer on it. On an engine that runs through hundreds of heat cycles a season and gets pressure-washed after muddy rides, that difference shows up within a year — paint lifts at the bolt holes, anodising does not.

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 1090 Adventure / L / R (2017–2019)
  • Road approval: none — closed-circuit and race use only
FitmentWhich bikes this fits
  • KTM 1090 Adventure (2017–2019)
  • KTM 1090 Adventure L (2017–2019)
  • KTM 1090 Adventure R (2017–2019)
  • KTM 1090 Adventure S (2017–2019)
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08 · Paddock

Before you go.

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