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TBI to Carburetor conversion kit

Back to carburetor - Take your engine to the next level
Designed By Rappa Racing, powered by SparkEVO

The Rappa Racing TBI to Carburetor Kit is designed for riders who want to convert their latest-generation KTM 2-stroke engine by removing the original TBI system and rediscovering the response, simplicity, and tuning potential typical of a carburetor setup.

The kit is developed for KTM 2-stroke TBI-generation models and allows you to convert the fuel system while maintaining advanced electronic management of ignition and exhaust power valve.

The KTM TBI generation was introduced to deliver extremely precise fueling and highly controllable power delivery; our kit has a different goal: to give the rider back direct control over the better power and torque and engine's character, combining a carburetor with a fully customizable electronic management system powered by iTronix advanced ECU.

The current KTM range includes numerous 2T TBI models from 125 to 300 cc.

tbi-carburetor-kit-11
tbi-carburetor-kit-12
tbi-carburetor-kit-13

Compatibility

BrandModelYearDisplacement
GAS GASEC 1252025125
GAS GASMC 1252024125
GAS GASMC 1252025125
GAS GASMC 1502025144
HUSQVARNATC 1252023125
HUSQVARNATC 1252023125
HUSQVARNATC 1252024125
HUSQVARNATC 1252025125
HUSQVARNATC 1252025125
HUSQVARNATC 1252026125
HUSQVARNATC 1502025144
HUSQVARNATE 1252025125
HUSQVARNATE 1252026125
HUSQVARNATE 150 I2024144
HUSQVARNATE 150 I2025144
HUSQVARNATE 150 I2026144

See the difference

Same bike, same dyno, back-to-back runs: stock KTM 125 TBI versus the Rappa Racing conversion kit.

The kit delivers 41 hp at the crank and 37 hp at the wheel, against 39 and 35 hp of the original injection system, and it keeps pulling over 300 rpm further, giving you a longer run before every shift.

More power everywhere, more over-rev, immediate throttle response and the mechanical simplicity riders trust. 

Download the full dyno sheet (PDF)

SETUP

Test

Buy now!

The kit is composed by:

  • Keihin PWK38S carburetor
  • Throttle control with cable
  • Mechanical vacuum fuel pump
  • Airbox-to-carburetor rubber boot
  • Power valve actuator
  • Electrical system powered by custom iTronix ECU with Smartphone control

 

Price: € 2.300,00 (including VAT)
➡️ To buy: click here and write directly to Rappa Racing

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