FUELX PRO – KTM 390 - Husqvarna 401 (2012-2023)

FuelX Pro – Intelligent Fuel Injection Optimizer

FuelX is a state-of-the-art electronic plug-in fuel-injection optimizer engineered for modern motorcycles. It continuously auto-tunes the engine to its ideal operating parameters, learning and adapting in real time to deliver smooth, safe, and efficient performance.

FuelX actively monitors and adjusts for:

• Engine condition and wear

• Riding style

• Performance add-ons (air filter, exhaust, etc.)

• Environmental conditions including temperature, humidity, and altitude

This ensures the engine always operates within the safest and most optimal performance zones.

Why FuelX?

• Eliminates or significantly reduces jerkiness and stalling

• Reduces the need for frequent downshifts

• Increases usable torque

• Delivers crisper throttle response

• Helps the engine run cooler

• Supports longer engine life

Key Features

• 10 switchable auto-tune maps

• Maps configurable to suit rider preference or bike setup

• Ideal companion for air filter and exhaust upgrades

• Maintains a cool, smooth-running engine

• Quick plug-and-play installation

• Water- and heat-resistant

• Shock-proof construction

• Reliable performance at all altitude levels

• Noticeably improved throttle response

• No permanent modifications required

Vehicle Compatibility

FuelX is fully compatible with the KTM 390 and Husqvarna 401 platform, including all variants listed below.

Quick Compatibility Table

Note: FuelX works across all variants within these models and automatically adapts to engine condition, riding style, modifications, and environmental conditions. No manual tuning is required.