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2018 Massimo 500

Robert Sawyer

By Robert Sawyer
in Massimo UTV SxS Forum

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Robert Sawyer Rookie

Robert Sawyer

Posted
Posted

Hello!

I purchased a 500 with 100 miles owner didn't use like wanted.  I have been using (live in Michigan) just started getting cold and now i am having a stalling issue all the time.  The unit start runs great but when come to a stop it normally stalls, and when give it power it can bog at times.  I know there are the obvious plugs, fuel filter etc but all seem ok, figured there might be a trick tip to this before i dive in.

2. When i take the center cover off there is a pipe that is not covered?  what is that for ?  should it have been covered?

Not sure it weather is connected i let it warm up but usually have to hold pedal down.  Ran perfect since i bought it and now acting up

 

Thank you in advance

Travis Grand Master

Travis

Posted
Posted

If the carburetor is adjustable, it's probably running a lean air fuel mixture.

Smaller engines in cold weather like rich mixtures (more fuel than air)

When you come to a stop, choke it just a little bit and see if it runs better.

Robert Sawyer Rookie

Robert Sawyer

Posted
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Posted

So I changed plug, cleaned air filter , went to recreational gas I am directed to the air idle control as coming up as error code however I can not locate the part on engine. 

 

Need location ion of air idle control 

Travis Grand Master

Travis

Posted
Posted

https://www.ebay.com/itm/IAC-Idle-Air-Control-Valve-For-HiSUN-400-500-700-ATV-UTV-Bennche-Menards-Massimo-/274012488967?redirect=mobile

Here is the part itself.

It should be located around the intake into The engine. I'll do some more looking.

10 hours ago, Robert Sawyer said:

So I changed plug, cleaned air filter , went to recreational gas I am directed to the air idle control as coming up as error code however I can not locate the part on engine. 

 

Need location ion of air idle control 

 

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