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4 wheeler won't start

Won't start checked coil,switch,spark plug,fuses and wires to be sure of connection and these are not problem,check gas and it turns over but seems to not get fire this is on a 90 cc 4 wheeler SunL type

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  • JETHRO40 Oct 04, 2008

    I have the same problem, turns over but will not start, changed the plug, checked the gas, changed the coil chech the stator, have not checked the brain box yet.

  • Anonymous Oct 25, 2008

    all i know is that it has a fresh plug,freshly rebiult carb,plenty of gas just got motor rebuilt and it won't start it won't do nothing but turn over and try to crank but won't can anyone help me PLEASE

  • alec sawyer Jan 07, 2009

    ive checked evrthing but my fourwheeler rolls over but does not start

  • Anonymous Jan 13, 2009

    hopefully it isnt one of the recalled ones...Unless you kept receipt..

  • Anonymous Mar 10, 2009

    i have a 50cc 4wheeler turns over will not start have changed plug and still nothing

  • Anonymous May 10, 2009

    my honda 90cc 4 wheeler wont start what should i do

  • richard salmonson Feb 03, 2013

    carburator needs replaced I have had same issue twice cleaning carburator did not work these carburators have issues with ethanol gas

  • Frederick Leonetti
    Frederick Leonetti Jun 02, 2013

    Same prob. Here 110cc utility quad (SunL) Turns & turns but no fire

  • Gina Tryon
    Gina Tryon Jan 26, 2014

    how do you test the cdi box

  • Anonymous Mar 20, 2014

    i bought a new plug a new battery cleaned the carb everything and still wont fire


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The Sunl's are notorious for the stator going out. Check with your dealer for specs on testing the stator. It could also be the CDI unit too! I hope this helps

Posted on Aug 28, 2008

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I need a wiering diagram for the sunls electrical system someone has cut the wires on it and it also has a remote for the alarm. Can someone please help me by sending me the electrical diagram at

Posted on Oct 06, 2011

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1 Answer

Won't turn on.

Yes BUT there is also high voltages both with and WITHOUT the unit connected to an A.C. plug. If you decide to check fuses, and you find one that is blown, PLEASE use ONLY the original value fuse.

Oct 31, 2012 | Marantz Audio Players & Recorders

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Jvc subwoofer sx pw22 working fine then just stopped working. power light is on and fuse is not blown. any suggestions?

First check all the connections. Something as simple as a loose wire will cause your sub to shut down. If all connections are secure, then your coils on the sub itself may have come apart. To test, try pushing in the center of the sub as it is playing. If sound comes out, it's your coils.

Hope this helps.

Dec 23, 2010 | JVC RX-778V

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No sound

check speaker conections. disconnect all the speaker wires and use one speaker that you know that works and connect it to each channel one at a time. most surround sound stereos will not go into surround mode unless all the speakers are connected so make sure stereo is in 2 channel mode to start testing. check all fuses sometimes amp fuse is seperate from power circuit and denon uses relays in 99% of thier units.

Dec 23, 2010 | Denon AVR-2802

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Reciever keeps on shutting off and it say check speaker wirer

Just a wild guess but it could be fixed by replacing all your speaker wire or checking it for breaks. Look for tiny teeth marks if you have a small dog or a mangled mess if you have a big dog. Is the wire running under a cabinet or furniture which touches the ground, perhaps it's been fractured by the pressure. Has the wire been pulled out of the speaker itself or possibly the rear of the amplifier. Some speakers and amps use the old insert bare wire and twist the connector type connection. Others use speaker cable with plugs on one or each end. It's possible that the wire has been fractured or pulled away from the connections inside the plug. This would be readily apparent and certainly not visible. The only way to properly check would be with a multimeter. If you don't have one maybe a friend has got one and can help you check the wiring Another way to check is to physically put your ear to each speaker in turn (with the volume at a low level) If there is a broken wire the speaker concerned you wouldn't hear anything being emitted. When you are checking make sure that all speakers would normally be working if everything was OK.

If there are bare wires anywhere in the system make sure they aren't touching. Just a tiny filiment of wire in the wrong place will cause a warning to come one.

The last thing that it could possibly be is a damaged speaker caused by overdriving it which would overheat the voice coil and cause a short circuit.

You would pick this up when you listen to them one at a time. Nothing would be heard from that speaker. This problem would be seen by the amplifier to be a wiring problem.

So visually check all wiring for breaks or crossed bare wires. Bad kinks, wire under strain, wire with marks of being squashed under furniture etc.

Do the listen to each speaker test.

Find a friend with a multimeter to help you.

Finally disconnect all your wires, put a tag on each one to remind you which speaker it connects to and take the lot to a repair shop. It would take 10 minutes to check all the cables for continuity or failures. Get the tech to replace the broken cable with one the same length and then go home and reconnect them.

Just a word of warning. Don't continue to use them in this condition and make sure anyone else in the house knows the same as it could cause permanent damage to the amplifier. Better a simple check now than spend a fortune next month or week. Another tip, if your cables have plugs on them, always pull the cables out of the socket by grasping the plugs, not the cable.

Happy listening.

Apr 24, 2010 | Yamaha HTR-6160 Receiver

1 Answer

My yamaha reciever has a power problem in that when i switch it on, it only goes on for a few seconds and thereafter goes off.

As long as you're sure the power cord is firmly plugged in, it sounds like the protection circuitry of the unit has likely been activated. This happens when there is a short circuit in one of the connections. Check your speaker wiring connections and make sure all of them are firmly and carefully grounded (i.e. the copper of the wire touches nothing but the proper terminal, and that the wires do not touch each other). Check the connections on the speakers as well. If protection circuitry is the result of a shock or power surge (lightning, strong static, etc.), you can reset it. Turn it to standby mode, unplug it, wait for 30 seconds, then plug it back in.

Jan 20, 2010 | Yamaha HTR-5630 Receiver

1 Answer

SA-AK510 You can turn it off manually, and it


In regards to your issue with your SA-AK510 turning back on most likely you have a short and/or a bad connection on the unit. So what is happening is the is a charge going to the switch that is engaging the switch again after you turn it off. Note most modern electronics do not have switches like a light switch. They have an electric relay switch that turn off and on the device when the circuit is completed.

The first thing I would do is make sure that your receiver is not still in warranty. If it is I would call Denon's support. If you are not then the first theng to check would be the fuse. I have seen a few devices over the years where the fuse clip is not connected properly and starts to arc which in turn puts a charge on the board. Also you will want to look around in the areas that get hot to see if any of the installation melted off the wires causing you to have some exposed wires.

Hope this helps


Jan 18, 2010 | Denon AVR-1506 Receiver

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The unit is going into protection mode. The message is a generic one and usually means that the output section is drawing too much current and has been shut down. Defective speakers can cause this, but in this case, I suspect that there is a problem in the front end that is allowing DC current to pass to the output circuits. This will cause a problem that will shutdown the system. Yamaha designs are not the most straightforward nad I would not suggest you attempt this repair without prior repair experience. Take this to a service center and request a detailed repair estimate and report the results here. Armed with that info, we canguide you further.


Jul 19, 2009 | Yamaha RX-V663 Receiver

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Car stereo problem

Some units also have an ignition wire that must be hot for the unit to turn on. Other than that, I can't think of anything else other than a bad unit.

Hope that helps...


Apr 03, 2008 | Audio Players & Recorders

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This is the thermal overload for the amplifier section. unplug unit and check all speaker connections for a crossed wire. After all connections are checked and are in good condition, plug the amp back in and power up. Note: the polarity of the speakers when the wires are plugged in. Use the painted line on the speaker wire as a guide for which one is positive(+) and negative (-). If an amplifier is operated out of phase for too long ( positive and negative reversed), you can damage the amp. A bad speaker coil can cause the overload as well. If it still does it, disconnect all speakers and power it up. If these remedies do not solve it, you amplifier IC is shorted and needs replaced.

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