Our Quad stopped running. When we push the "on" switch, it sometimes makes a clicking noise. Sometimes it will display the "full charge" green light for a split second. Sometimes it will then go to the "low charge" yellow light for a split second. And sometimes, if I leave it on for a bit, it will click into various modes. It doesn't move.
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Sounds like you have a wire that is ALMOST broken or the insulation is worn off and grounding, or turning is pulling a wire loose from a connection. .. this type of problem is HARD to trace down sometimes... good luck
Hi Linda... Clogged carb jets and be a problem. Cleaning them is often very difficult due to the size of the orifice. sometimes welding tip cleaners or sewing needles may work. Forcing air is a good way but the acid test is to look into the orifice to verify you see light.
Another thought: Sometimes the fuel caps stops venting and the motor will act like its running out of power, rightfully so as it's running out of fuel. The vent in the fuel cap can be partially plugged or completely and the engine will act accordingly. Best way to test this is to remove the fuel line after the petcock(off/on valve) and watch that it flows fuel well. Also check the petcock filter to verify it's not clogged and check the fuel line to make sure it's not crimped.
You're problem doesn't sound electrical but I'd try to eliminate all fuel related problems first before moving to electrical as electrical trouble shooting can be a bear.
The air mixture adj screw sometimes has an "O" ring and sometimes not. Check with parts fiche for your model carb to know which.
what kind of a small noise? Describe? Is it a click, or a slight fizzle sound? If it is a fizzle sound, make sure none of the earth wires have come off the battery, or poor earth grounding. If it is a click, it could be the start relay/ignition coil. I dont have the model ATV you have, but mine has a small retangled black box, smaller than a pack of matches, if you follow the wires from your ignition coil. hold that and start and feel a click. The relay will send current to your starter. No click, no start. So check the ignitiion coil. Another problem can be a starter continual trying to run - which is a sticky relay.
They are simple things, spark, and fuel, and they run. I think you are having the same problem as I did.. someone before me fitted a kill switch and one of the wires came off the earth there, and it wouldnt start. Mine was under my seat, but it's a chinese quad, so just folllow the wires to the battery and from the battery until it meets the chassis.
Has it been sitting for a while?? Sounds like it could be several things..
1. The needle and seat in the carb may be dirty/clogged/sticking and not allowing a full flow of fuel into the float bowl.. when the bowl fills, it will run fine for about 20 - 45 seconds then "run out of gas.. it will restart and repeat this over and over.
2. The petcock/fuel tank may be stopped up/clogged/blocked and not allowing a full flow of fuel to the carb... causing the same symptoms as #1.
3. ..maybe..you may have a vacuum leak causing the fuel pump to not pump enough fuel to the carb. = Symptoms #1
4. Fuel pump might be bad. = Symptoms #1 Once you eliminate these items... repost with results.