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2018 Massimo 500 4x4 starting issues

Justin Kelly

By Justin Kelly
in Massimo UTV SxS Forum

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Justin Kelly Newbie

Justin Kelly

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Hello everyone, any help/advice would be greatly appreciated. Helping my father with his 2018 massimo 500 4x4 side by side. He uses it to feed all the horses and cattle. As of now the only way I can get the dang thing to start is to take the fuel injector and hold it about a inch away from the head boot, start turning it over and as it starts up I just press the injector all the way in. I thought this was a air problem so I replaced the idle air valve. I also replaced the fuel injector, spark plug, and adjusted the valves not that long ago. I thru a new computer on it as we had a extra on hand. It is running pretty good just won't start without that trick. Does anyone have any ideals what the problem may be? 

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