ROYAL ALLOY GT125i AC EURO 4 DELPHI ECU ECU: ENGINE CONTROL UNITMAKE : DELPHIROYAL ALLOY GT125i AC EURO 4 DELPHI ECU£110.00PriceQuantity*Add to CartINFOTHISE IS THE CORRECT ECU TO: FIT THE ROYAL ALLOY GT125i AC EURO 4 THIS ECU IS NOT PLUG & PLAY IF YOU ARE UPGRADING YOUR SCOOTER WITH PERFORMANCE PARTS (LIKE A NEW EXHAUST) YOU WILL NEED SPECIFIC CUSTOM PROGRAMMING TO MAKE YOUR SCOOTER FASTER.