ECU Performance Software Upgrade for Mash 50cc Euro 5. After a view months of testing, "We did it" More Engine Power and Torque for the Mash 50cc Euro 5 With the standard gear ratio, the Mash 50cc runs approximately 70 km/h in combination with this ECU Software Upgrade. Speedlimiter and RPM limiter are modified also for 70cc or 80cc No Fault codes or Engine Checklight on Dash All Lights working like original More Engine power and Torque in Higher RPM With upgrade Gear Ratio Topspeed approximately 75-80 km/h Max AVAILABLE FOR ALL MASH 50cc E5 Engines TOPSPEED : Mash Fifty E5 50cc 70km/h TOPSPEED : Mash X- Ride E5 50cc 64km/H ( even it has the same engine as the Fifty E5 the X-ride have smaller wheels) TOPSPEED : Mash Scramler E5 50cc ( Intest now) All Lights working like Original No Check Engine Light Fast!! More Torque & Topspeed 64-70km/h Worldwide Shipping Note: for online order you have to ship the engine ECU for upgrading. After order you will recieve automatic the shipping Details!