Question about Kymco ZX 50 Motorcycles

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Kymco ZX 50 replace voltage rectifier

Hi I have a Kymco ZX50 and I fit new bulbs and they seem to light up fine however when I cut the engine off and start it up again all my bulbs completely blow how can I fix this problem? Many thanks, Jamie @

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Hi, Jamie for this scenario you will need your service, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kymco, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Kymco ZX 50 replace voltage rectifier Google Search
How to replace 50cc moped voltage regulator
KYMCO ZX Service Manual
Kymco Scooter Parts ATVs Scooter Parts Performance Scooter Parts...
KYMCO ZX 50 User Manual

Posted on Oct 13, 2017

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Hi,
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SOURCE: Engine cutting out when open throttle. YAMAHA NEOS 50cc MOPED

i had a simuler problem with my honda cr 250 moto-x bike it would start fine and you could keep it ticking over with the throttle(i have deliberatly unscrewed the tickover in case i come off,it will cut out) when i got on it,it would go for about 400-500 metres then splutter and die and not start again for around 5 mins. i immediatly knew it was a fueling problem. so after stripping the carb and giving it a good clean out i was baffled when i got back on and it still done the same. i then dismantled the fuel tap cleaned it all out and put it back together and tested it,it was very very slow so i unsrewed my fuel cap a little and was greated with the familur gush it should deliver. problem solved! the vent in my fuel cap had crystalised up,so the fuel was coming out but the air was not getting in,causing a vacuum and slowing down the flow and basically emptying the carb quicker than it can fill back up!!! clean your carb,fuel tap and any vents in your cap or tank. if this does not work then your bike must be over fueling or low on compression.

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SOURCE: Peugeot Vivacity 50cc Kickstart broken, but engine fine

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Testimonial: "thanks - i'll check it out"

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SOURCE: My Peugeot vivacity 50cc moped won't start just

Hi, Check fuel tank that it has fuel. Check sparkplug and/or replace it. Make sure engine has spark when cranking it over. Good luck.

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SOURCE: hi i got an aprilia sonic 50cc moped. the problem

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SOURCE: Hi I have a zy50 Chinese pulse moped it has compression and turns over just no spark can you help me fix problem

Check fuse near battery if ok then maybe you have a failed ignition coil or cdi box
box.

Cdi box located near battery

Posted on Jan 24, 2015

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1 Answer

Lights and indicators not working


Hi, Colin if your headlight is not working, keeps burning out, blinking, or is dim the first thing you need to check is the headlight bulb for damaged filaments then check your light circuit and turn signal fuse, that being said the usual suspects are:
1. Faulty ground or power supply wire to headlight bulb socket.
2. Worn, chaffed, or broken wires in the light circuit.
3. Corroded, broken, or loose pins/sockets in wire connectors.
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5. Faulty ignition switch.
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Kymco zx 50


the batt must read 12.6v always-no less--the alternator probly not workin rite--new brushes may need--stay away from that mechanic and nevr evr replace parts til solution known-relax

Feb 25, 2014 | Motorcycles

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Where find chassis number on zx 50


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Jan 14, 2014 | Kymco Motorcycles

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2007 Kymco Xciting 500: Jumper cables were reversed. Replaced battery and all fuses. Now the battery discharges, battery charge light in dash is not on, even when engine is not running. Also speedo needle...


the stator produces ac current and the voltage regulator/ rectifier converts the ac current to dc current and keeps your battery charged.

So its probably your voltage regulator.
when engine is off the battery should read 12.5 volts
At idle the baterry should read 12.8+ volts
at 2000 rpm battery should read 13.0 - 14.8 volts

if your not getting those readings your voltage regulator is bad.
you can find them at parts for scooters dot com pretty cheap and they ship fast.


as for the speedo, you may be able to take apart and reset the needle. Some you can't even get to.
so you may have to get a new one.

Dec 04, 2010 | 2005 Kymco Xciting 500

1 Answer

Replace regulator/rectifier with a different brand?


Not always necessary to change the regulator/rectifier. Check all connections to make sure they are clean, use a good contact cleaner and finish off with dielectric grease on your electrical connections.
When some bikes get a few years on them the connections get dirty. Check to see if there are any burned or discolored wires anywhere around the regulator. The FIX on some bikes is to cut the connector completely out and solder the wires together and either seal them with heat shrink of a good electrical tape. Loose or bad connections get hot. As long as the regulator and rectifier are working there is no need to replace them if the connections are good.
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Apr 08, 2010 | 2005 Kymco Zing 125

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No spark from CDI Unit. bike is Bug Jive 50. Motor cut out while riding, checked all obvious things, lights OK, Battery Ok


Replace the magneto/stator, CDI and voltage regulator/rectifier. Usually if one messes up they all go bad.

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My 2002 Troy Bilt 18 hp garden tractor has a voltage spike which burns out the light headlight bulbs. Actually, we received this tractor as a donation for sale at a charity auction. It needed a few repairs...


Locate and replace the voltage rectifier this is a voltage limiter than can go bad, trace the wire that comes out of the motor's shroud it should go to a small box that then has a wire that leads to the battery this small box will be the voltage regulator or rectifier they are similar devices, replacing this box should solve the problem however before replacing the light bulbs again after replacing the regulator or rectifier hook up a voltage regulator to the positive terminal of the battery while the tractor is running at a high rpm or engine speed, if the voltage reads higher than 14 volts the light bulbs will burn out again but this is a simplistic electrical system and the voltage rectifier or regulator restricts the voltage from exceeding 14 volts so replacing it should do the trick.

Oct 21, 2009 | Garden

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