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Massimo msu 700 doesn’t want to rev up

Kensei

By Kensei
in Massimo UTV SxS Forum

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  • Alex changed the title to Massimo msu 700 doesn’t want to rev up
ElbowRoom Rookie

ElbowRoom

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Posted

Depends what you mean by "doesn't want to rev up". If it barely revs faster than idle, it's probably in limp mode which means the ECU is protecting the machine by preventing if from rev'ing because of some error.  Since the machine was tipped on its side, it's possible that there is air in the radiator hoses, which is fixed by burping it: raise the front wheels at least 20 inches off the ground and idle the machine with the rad cap off while adding coolant until all air bubbles are out.

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