JML-Steuergeräteprogrammierung von 250i auf 300 ohne Katalysator
JML ECU Programming Tool 250i → 300 RACE (without catalytic converter)
JML ECU Programming Tool 250i → 300 RACE is a dedicated device designed to upload a new ignition map to JML EN250i and JML EN250i PRO motorcycles when converting the engine from 250 cc to 300 cc.
The program is developed exclusively for racing and off-road use. It ensures correct engine operation after increasing displacement, provided that an exhaust system without a catalytic converter is installed.
Technical information
device for uploading a new ECU ignition map
compatible with:
JML EN250i
JML EN250i PRO
catalyst-free exhaust system required
intended for engines converted from 250 cc to 300 cc
Intended use
RACE / OFF-ROAD ONLY
for use on closed circuits and off-road areas only
not approved for public road use
no road homologation
Legal notice
This product is intended exclusively for racing purposes.
Installation and use on public roads is prohibited.
ECU modification results in loss of road homologation.


