It has no governor. Speed is controled by means of rev limiter software in the ECU.actualy it dose have one its set to 170 kph so you dont exceed the rating of the tires that limi is set to lt and ls...
After the carb has been adjusted to proper specs and is running ok you can adjust the governor by bending the wires to either up the rpm or to lower it.Also a better way without ruining the wires is...
I have a Massey 50. It is really hard to tell you over the computer how to adjust it. I went to Tractor Supply Co. and ordered a service manual from them for like 32 dollars. It has exploded views,...