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2022 HISUN 550 Sector Vibration

RJR

By RJR
in Hisun UTV SxS Forum

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RJR Newbie

RJR

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I just bought a 2022 HISUN 550 Sector last week. I bought it after reading some reviews and we are older and don’t need anything fancy. We just use it in town and on our acreage. It so far has been great. I notice when the RPM’S get up to around 3500-4000 there is a strong vibration that sounds like a heat shield. I haven’t examined it closely yet but I have checked some fasteners for looseness. Sounds to me like it’s coming from underneath the UTV. Is there anything that is common to these that I should know about? I think the skid plate is plastic. This sounds just like a heat shield loose. Any ideas ?

  • Alex changed the title to 2022 HISUN 550 Sector Vibration
Kenh Newbie

Kenh

Posted
Posted

To my guess form what you're saying it sounds like the riv limiter. That is protecting the motor. I have a 2017 Massimo MSU500 and when I replaced the ECU you have a procedures that you use to reset it and you increase the rpm to set it which is about 3 to 4 hundred rpm

 

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