2017 Coolster 3125 CX-3 Carb Issues

Douglass · 03-04-2018, 10:26 AM

We ran the ATV for the first time yesterday. I started it, let it idle for about 10-15min, let it cool, then my son drove around the street for about 10 min. Then the ATV sounded like it was running out of gas, and stalled. Since then I have been constanly adjusting the idle to keep it from stalling. The other 2 issue I am having is when I give it full thottle the engine sounds like I just hit the kill switch. Sometimes at constant 1/2 throttle I am getting some surging.

The last think I noticed is it will some times make a pssst noise, and when it does this it will idle/run great, or I have to adjust the idle again.

Can you guys suggest a replacement carb for this unit? other than this the ATV seems like a decent unit.

03-04-2018, 10:26 AM	#1
Douglass Join Date: Aug 2017 Location: Bay Area, CA Posts: 375	2017 Coolster 3125 CX-3 Carb Issues We ran the ATV for the first time yesterday. I started it, let it idle for about 10-15min, let it cool, then my son drove around the street for about 10 min. Then the ATV sounded like it was running out of gas, and stalled. Since then I have been constanly adjusting the idle to keep it from stalling. The other 2 issue I am having is when I give it full thottle the engine sounds like I just hit the kill switch. Sometimes at constant 1/2 throttle I am getting some surging. The last think I noticed is it will some times make a pssst noise, and when it does this it will idle/run great, or I have to adjust the idle again. Can you guys suggest a replacement carb for this unit? other than this the ATV seems like a decent unit.
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