Question about Aprilia RX 125 Motorcycles

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I am having charging issue with an aprilia rx50 v reg. no volts back from the gen altho the bike runs perfectly any ideas please

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  • Aprilia Master
  • 40,840 Answers

Hi, Michaelli387 I am sorry you can't find the first and best tool you ever bought for your Aprilia but despair not for a mere $10 you can download another one. For more information about your issue, please visit the websites below. Good luck and have a nice day.
Stator test Voltage Regulator Aprilia 50cc Scarabeo DOWNLOAD Aprilia Rx 125

Posted on Oct 23, 2015

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 311 Answers

SOURCE: 1993 Kawasaki 750R - Charging issue - Weird!!!

i know this sounds silly ,but when you bought the battery had it been activated,new batterys are critical in their first charge and you cannot use a standare type automotve charger,if bought dry the battery needs to have the acid filled ,left to sit for at least 2 hours prior to charging,once it has sat for the 2 hrs with the acid in,the new battery will need to be charged with a "cteck"or similar type charger for at least 13 hrs before it can be put into normal service,what happened with yours i think is that sure you gave it a charge but it has only recieved a "surface charge"and will be usable for a very short time,it may recover for a brief period and go again untill the surface charge dissipates,(or in other words ..runs out of charge)best thing you can do with the battery is take it to a auto electrician and have the battery cycled and conditioned,this is not expensive to do and will give you piece of mind,after conditioning the battery shouldngive excellent service,i have the battery in my goldwing coditioned about every 12 months and i have the same battery that was in the bike when i bought the bike 8 years ago and still no electrical or battery problems(costs about $25 to get it done)once a year but that beats $280 for a new one...hope this helps

Posted on Jul 09, 2009

  • 582 Answers

SOURCE: I am having charging issues with my V92c. last

TO CHARGE A BATTERY YOUR ALTERNATOR SHOULD BE PUTTING OUT 13.5 TO 14.5 VOLTS. WITH THE BIKE RUNNING TEST THE OUTPUT AT THE BATTERY TERMINALS AND HAVE SOME ONE REV THE BIKE A LITTLE AND SEE IF THE OUTPUT INCREASES , IF NOT I WOULD LEAN TOWARDS THE ALTERNATOR

Posted on Sep 28, 2009

  • 314 Answers

SOURCE: hi i lost the keys for my w reg aprilia rs125 i

You can hot wire it ,but this means anyone can take or steal it .You could try drilling the ignition lock but again anyone can take or steal it .You could try taking the ignition unit to a lock smith he could help

Posted on Apr 14, 2010

rzman
  • 148 Answers

SOURCE: How do I replace clutch on aprilia rx50?

you will need new clutch plates and side cover gasket,,,remove the side cover,undo the pressure plate bolts and the pressure plate will come off,then pull out the old clutch plates and steel plates and fit the new ones in the same order as you removed the old ones

its an easy job you can do it

Posted on Mar 20, 2011

  • 5 Answers

SOURCE: I have a 1979 XLH 1000 sportster and I having a

I have a 71 sportster and I am having the same problems ! I think I need to buy a Honda!

Posted on Sep 03, 2012

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Hi, Jason for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Aprilia, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Leonardo Aprilia 96 125cc changed voltage regulator works perfect but as soon as I switch headlights battery starts climbing from 14.2 to 16+ as soon as I switch the lights off it goes back to 14.2


Hi, Vouls in order to check out any main system electrical circuit, you have to start with a fully charged battery 12.5 volts or better, and be able to pass a load test if necessary.
1. Check battery terminals for damage or corrosion, check battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
2. Check the voltage drop at the battery when you hit the starter button, anything below 9 volts you might have a faulty battery.
3. Check voltage at the battery with the bike running at 3,600 RPM should be 14.3 to 14.7 volts. If you are not getting these numbers, you might have a faulty voltage regulator.
4. Make sure voltage regulator is "GROUNDED" and functioning properly, watch the video below on how to test a voltage regulator.
5. Unplug the connector to the alternator and hook your multimeter leads to the alternator (pin/socket selection does not matter) set the multimeter to AC volts, at an idle the meter should read 16 to 20 volts AC. at 2,000 RPM 32 to 40 AC volts, 3,000 RPM 48 to 60 AC volts. If you are not getting these numbers, you may have a faulty rotor, follow step 6
6. Set the multimeter to OHM'S, connect one lead to the alternator (any pin/socket) and the other to a ground, the meter should read infinity. Connect both leads to the alternator meter should read 0.1 to 0.2 OHM'S. If you are not getting these numbers, you have a bad stator.
7. Check all wiring in the charging circuit for worn or chaffed spots and all wiring connectors in the circuit for corroded, broken, or loose pins/sockets, which is the # 1 offender.
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
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Not starting off starter but goes with a push


Hi, Malcom Smith famous dirt bike rider extraordinaire and the usual suspects are:
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3. Discharged battery, needs to be 12.5 volts or better and be able to pass a "LOAD" test if necessary.
4. Check the battery terminals for damage or corrosion check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
5. Tip over sensor needs a reset.
6. Faulty ignition switch.
7. Faulty starter button.
8. Faulty kickstand or clutch pull in switch/sensor.
9. Starter control circuit, relay, or solenoid faulty.
10. Main fuse or circuit breaker may be blown or faulty.
11. Check for engine trouble codes.
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connect a pair of jumper cabells to the gen connect the pos to the gen side of the gen and the negative to the feald side and hook them to a hot car batt momentarley do not do wial running . should stop probleam good luck

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Hi, Tabitha for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix/test or parts inquiry. If necessary transport your vehicle to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your issue. For more information about your issue please visit the website below. Good luck and have a nice day. DOWNLOAD 2005 Aprilia Rs 125

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Aprilia 150 leonardo, flat battery and not charging, only 11.5 volt when running. Is it the rectifier and where is it fitted to bike? Thanks


Hi, J33pkk and the usual suspects are:
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For more information about your issue, please visit the websites below. Good luck and have a nice day.
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Jul 07, 2011 | Aprilia Leonardo 125 Motorcycles

1 Answer

My Aprilia Mojito 125 doesen't star. Ive had it to repair shop several times, they says battery is to small for the bike. Can I have the battery moved from glove box to under the seat and increase the ...


I am not familiar with the Mojito's qwarks. Sometimes the charging systems are underpowered and can't keep the batteries charged on some scooters. Check with Aprilia to see if there is a recall or service bulletin on the bike. If the bike started and ran fine when it was new, and you have the factory sized battery in the bike, then the problem is not with the battery size. If the battery is more than 2 years old, replace it. It may show as good on a volt meter, but it may not have sufficient amps to crank the engine, or be able to hold the charge. The dealer should also check the charging system to make sure it is charging at least 12.8V at idle, and well over 13V (volts) when the engine is revved up. Most scooters charge at 13.5V-14.7V when revved up. It shouldn't exceed 15V. An Aprilia dealer should have the factory specifications for the charging system and can test this in just 5 minutes. If you are having a charging issue, then it is most likely your voltage regulator/rectifier or your stator. The stator is what produces the electricity when the engine is running, the regulator is what smooths the power out and sends it to your battery at the proper voltage. Regulators fail more frequently than stators and are cheaper to repair. Other possible problems are the starter relay or the starter itself may be worn out and drawing too much power. Again, if the bike started fine when it was new, and you have the factory sized battery, then don't change the battery size. You may only be treating the symptom and not the problem. And applying more power can simply cause more damage. If the problem is that you just have to run the starter for a long time before it starts, and you just run the battery down, then it may have nothing to do with your starting system at all. It may be a low compression issue, dirty carb/fuel injection problem, old spark plug, etc. Hope this helps. www.solanocycle.com

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I need to know how to completely strip my aprilia rx50 forks can you help?


Hi Sherbz18, I am sorry you can't find the first and best tool you ever bought for your Aprilia but despair not for a mere $10 you can download another one. For more information about your issue, please visit the websites below. Good luck and have a nice day.
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