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Hi i have aquired a loncin quad 125. it hasa few forward gears and reverse. the quad has no spark and i have replaced the lumb, ignition switch, cdi,coil and lead, regulator, and kill switch. there is

I have replaced all electricks and lumb appart from the magneto stator and neutral switch.

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You have replaced it all except the problem part. The stator is a very weak part on most Chinese brands. The signal generator (coil outside the flywheel usually goes first. If you have a "peak reading volt meter this coil should put out 2-5 volts dc at cranking speed. It should also have some resistance reading(guessing in the 130 ohm range) when checked across the two leads with an ohmmeter. A dead one (open circuit) will have no reading at all.

Posted on Dec 15, 2014

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Posted on Jan 02, 2017

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Why won't my loncin 125 ATV start it was just running now starter spins but nothing happens??

check for a faulty pinion gear or solenoid on the starter.
it is moving to close the big terminals but not pulling the pinion gear into mesh with the ring gear
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May 18, 2015 | Loncin Motorcycles

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I have a loncin 250 atv quad think its the farmer modelstruggles to start but when it does it runs ok but if I switch it off hot wont start till goes cool again any ideas

Check the spark first. It should jump a 1/4" gap minimum. It is best to use a spark tester or a good used spark plug with the gap opened up. Don't hold the plug lead by hand or metal pliers when testing.
If it doesn't do it's thing then the ignition coil is the usual culprit. It would need to be replaced.
If it has good spark then it's likely to be too much fuel or not enough air.
First check the air filter since it is easier to get at. Make sure it''s clean and hasn't collapsed to block intake.
Make sure the cold start control (choke) is returning fully. It could either be a choke system or an extra fuel system on the carburetor.
Next option would be the needle valve in the float bowl. This keeps the fuel level consistent.
If the valve is worn or there is something stopping it from seating properly, too much fuel can cause flooding.
Another rare possibility is a punctured or damaged float. The float closes the needle valve when the right level is reached.
There are other possible carb. faults that a full clean and check will reveal, but not likely to be the cause of your problem.

Nov 13, 2014 | Loncin Motorcycles

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Hi I have a dinli 100cc quad and the gears are slipping

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for some reason you are not getting into reverse , there is no real reason it should stay in forward gears unless there is someting wrong with the shifter itself being in the wrong position this can happen take it off and reposition it and make sure your clutch is disengauging to shift gears , will it go into all gears or just 1 forward , ck into that and be a little more specific on the problem ,good luck

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My g1 serial no. j31-149828 runs fine in reverse but has weak spark in forward & does not crank, any help would be appreciated.

Hi Larry,
There should be a micro switch for forward and reverse. Look underneath seat directly where gear selector goes through body. You should see a switch to activate forward and a switch to activate reverse. If unit cranks and drives well in reverse but not forward, I would start here. The G-1's I have fixed have this set up. Yours may be slightly different depending on the year. But I would find the micro switch that clicks when you put it in forward and replace it. They are fairly cheap and easy to switch out. Let me know how it goes for you. Good luck and happy wrenching!

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I have a loncin quad im not getting a spark

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Aug 17, 2011 | Cycling

2 Answers

Got a loncin explorer 90cc quad had trouble with starting it, since i bought it from new. took it back got a new battery and starter fitted at cost was fine for a week or so, but now wont start again, its...

ive bought 1 and had the same problem , change the spark plug for an ngk , and use shell v-power petrol ( or any other high octane fuel ) myn now starts first time every time :) and go's like stink also consider buying a better battery , the standard 1's are **** !

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