JetPrime JP ES 045 Triumph — SLS/AIS Block-Off Plate — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP ES 045
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsTriumph Speed Triple 1200 RR (2021–2024)
InstallationPlug-and-play, no wiring harness modifications required
FitmentTriumph Speed Triple 1200 (2021–2026) / Triumph Speed Triple 1200 RR (2021–2024) / Triumph Speed Triple 1200 RS (2021–2026) / Triumph Speed Triple 1200 RX (2025–2026)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

The JP ES 045 caps the Speed Triple 1200 RR's secondary air ports in the cylinder head with a machined blank.

Key Features

  • Triumph Speed Triple 1200 RR (2021–2024)
  • Blanks the secondary air ports in the head
  • Machined from solid aluminium
  • O-ring sealed, no jointing compound
  • Original fastener positions
  • Standard housing refits at any time

A Hundred and Eighty Horsepower

From 1160 cc and three cylinders, which is a considerable figure and delivered with a spread no four can match.

Brembo Stylema

The current generation caliper with a span-adjustable master cylinder. Triumph specified the braking package before anybody complained about it.

The Reed Pack on the Head

A moulded housing holding one reed per port, bolted directly to the cylinder head and fed by a hose from the airbox. It is what physically admits the air.

Why a Bolt and Washer Fails

Improvised blanks lose their seal within a season of heat cycling, and the leak is small enough that nobody notices until something else is being diagnosed.

Fewer Perishables

A moulded box full of reeds is one of the few genuinely consumable items bolted to a cylinder head. Replacing it with aluminium removes a future job.

Why the Housing Fails

It is a moulding bolted directly to a cylinder head, which means it lives through the widest temperature range on the motorcycle several times a day. The reeds inside flex on every closed throttle, and after enough cycles one cracks. Mileage has very little to do with it.

Torque Into Aluminium

The fasteners thread into the cylinder head, and Triumph specifies a figure for good reason. Guessing at it is the commonest way a straightforward twenty-minute job turns into a thread repair and a considerably longer afternoon.

The Complete Mechanical Picture

Airbox, hose, reed housing and cylinder head port, in that order. The cover closes the last of those permanently, and the airbox end needs its own answer, because an intake with an unplugged opening is a worse arrangement than the emissions system ever was.

What Comes Off With It

The housing, its reeds, the hose to the airbox and the clips holding it. The top of the engine ends up visibly less cluttered.

Fitment and Compatibility

  • Triumph Speed Triple 1200 RR (2021–2024)

Specifications

Model JP ES 045
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Triumph Speed Triple 1200 RR (2021–2024)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x block-off plate
FitmentWhich bikes this fits
  • Triumph Speed Triple 1200 RR (2021–2024)
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08 · Paddock

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