Question about 2000 Aprilia RX 125

1 Answer

2 stroke will not rev out

Aprilia RX 50 will start fine but only rev to 5000 rpm and not 10000.
Carb spotless clean tank flushed through new plug. Any thoughts Could it be the main seals

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  • Aprilia Master
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Hi Bobyounggolf, and the usual suspects are:
1. Faulty crankshaft seals, do a visual inspection and pressure test.
2. Power valve failure.
3. Faulty high output coils or CDI
4. Float level too low, restricted main jet, fuel tank not venting.
5. Restricted exhaust port or clogged expansion chamber. 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.
https://www.tradebit.com/filesharing.php/search/0/2000+aprilia+rx+125

Posted on Oct 19, 2015

3 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: Aprilia RS125 doesnt rev past 5000 rpm

not cooling properly

Posted on Aug 30, 2009

Benimur
  • 6966 Answers

SOURCE: aprilia af1 125 sintesi, carb settings, what are

Hi and welcome to FixYa,

Jet size would depend which carb is installed, a Dellorto 34mm?

Initially, check the sparkplug tip colors. If very light brown to almost whitish, then lean mix; too much air, too little gas. Try raising the needle if if has notches and moving the e-clip. If fixed, use small thin washers. The basic idea is to make the needle rise early on throttle movement.

If an aftermarket open breather air filter is installed, then it would be causing the lean mix, too much air. Restrict the filter by adding temporarily upholstery foam to experiment at which thickness the flatspot would disappear.

Good luck and thank you for asking FixYa. Happy Holidays.

Posted on Dec 17, 2009

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1 Answer

2001 Aprilia SR50 won't start. Didn't ride for 2 years.


Hi Anonymous, if your bike has been idle for months or years and does not want to start you will have to deal with a few remedies:
1. Drain and flush fuel tank, google " how to clean a motorcycle gas tank" find a couple forums to view the different options available.
2. Remove your air cleaner and clean and re-oil per Mfg. specifications.
3. Remove carburetor disassemble and decontaminate with a carb dip or if you have EFI remove injectors and clean with carb spray and compressed air
4. Remove fuel valve and filter disassemble and clean as necessary, remove fuel lines and replace with new ones.
5. Replace spark plug with a new one and check for spark.
For more information about your question please visit the website below. Good luck and have a nice day.
How to clean gas tank thats been sitting Motorcycle Forum
https://www.tradebit.com/filesharing.php/search/0/2004+aprilia+sr+ditech+50+base

May 20, 2014 | 2004 Aprilia SR Ditech 50 Base

1 Answer

Sputtering at 5000 rpm


AT 5000 RPM? What is the redline on the XT 600? I had a XT 500 Do not remember my year exactly, I was thinking the redline was close to 5000 RPM and if that is the case you could be possibly hitting a REV limiter or floating the valves.
Have you adjusted or checked the Valve clearance lately along with the Timing chain tensioner to be sure all are within adjustment specs?
The example you gave where it does it in 2nd gear, 3rd gear, I am sure it would do it in any gear as it sounds exactly as if teh engine is running up against a rev limiter or mechanical limits of teh valve train.

Jan 29, 2014 | Yamaha Motorcycles

1 Answer

Aprilia rx 50


Hi, Anonymous and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low.
9. Air/fuel mixture screw set too lean.
10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
For more information about your issue and valuable "Free" downloads that you will need please Click on the blue links below. Good luck and have a wonderful day.
Cold start problems will only bump start
What to Do Check When Dirt Bike Won Start
APRILIA RX 50 2001 Manual
Products at Aprilia Genuine Parts Aprilia Parts Aprilia Spare Parts...
http://www.fys.ku.dk/~andersx/Workshop%20Manual%20-%20RS50.pdf service manual free

May 08, 2017 | 2005 Aprilia RX 50

1 Answer

I have an aprilia habana 50 running started with key and kick start cutting out after a few mins took carb off washed it out not moved any needles now no fuel to carb any ideas


Hi, Kevdavie if your bike has been idle for months or years and does not want to start you will have to deal with a few remedies:
1. Drain and flush fuel tank, google " how to clean a motorcycle gas tank" find a couple forums to view the different options available.
2. Remove your air cleaner and clean and re-oil per Mfg. specifications.
3. Remove the carburetor, disassemble and decontaminate with a carb dip or if you have EFI remove injectors and clean with carb spray and compressed air
4. Remove fuel valve and filter disassemble and clean as necessary, remove fuel lines and replace with new ones.
5. Replace spark plug with a new one and check for spark.
For more information about your question please visit the website below. Good luck and have a nice day.
DOWNLOAD Aprilia Habana 50

Apr 02, 2013 | Aprilia Mojito Custom 150 Motorcycles

1 Answer

Aprilia rx 50 poor running


Hi, Anonymous and the usual suspects are:
1. Idle speed improperly adjusted.
2. Inlet system air leak.
3. Damaged or restricted fuel tank venting system.
4. Dirty or damaged air cleaner element.
5. The accelerator pump is inoperative.
6. Vacuum piston assembly malfunction.
7. Enrichner valve is not seated or leaking.
8. Restricted fuel supply tract.
9. Plugged bowl vent.
10. Loose or plugged fuel and air jets or passages.
11. Improper fuel level.
12. Worn or damaged needle or needle jet.
13. Loose or plugged main jets or passages.
For more information about your issue please visit the websites below. Good luck and have a nice day.
DOWNLOAD 2010 Aprilia Rx 50

Jan 14, 2013 | 2010 Aprilia RX 50

1 Answer

How to start my aprilia rs 250 after 8 months of being idle?


Hi, Hage if your bike has been idle for months or years and does not want to start you will have to deal with a few remedies:
1. Drain and flush fuel tank, google " how to clean a motorcycle gas tank" find a couple forums to view the different options available.
2. Remove your air cleaner and clean and re-oil per Mfg. specifications.
3. Remove the carburetor, disassemble and decontaminate with a carb dip or if you have EFI remove injectors and clean with carb spray and compressed air
4. Remove fuel valve and filter disassemble and clean as necessary, remove fuel lines and replace with new ones.
5. Replace spark plug with a new one and check for spark.
For more information about your question please visit the website below. Good luck and have a nice day.
DOWNLOAD Aprilia Rs 250

Jun 03, 2012 | Aprilia RS 250 Motorcycles

1 Answer

Aprili RS125 2003. It starts, gets to 7000 revs then reduces. As I rev it stays at 2 - 3000 revs. If I put it in gear it wont drive but with the clutch held I can keep it at 2 - 3000, if I try to take off...


Hi, Stphn_dcksn if your bike has been idle for months or years and does not want to start you will have to deal with a few remedies:
1. Drain and flush fuel tank, google " how to clean a motorcycle gas tank" find a couple forums to view the different options available.
2. Remove your air cleaner and clean and re-oil per Mfg. specifications.
3. Remove the carburetor, disassemble and decontaminate with a carb dip or if you have EFI remove injectors and clean with carb spray and compressed air
4. Remove fuel valve and filter disassemble and clean as necessary, remove fuel lines and replace with new ones.
5. Replace spark plug with a new one and check for spark.
For more information about your question please visit the website below. Good luck and have a nice day.
DOWNLOAD 2003 Aprilia Rs 125

Feb 28, 2012 | 2003 Aprilia RS 125

1 Answer

I have a 2007 keeway f-act 50. it has developed a proble, its starts fine but when i pull the accelorator the bike goes up to around 7000 rpm and the engine starts to cut out. i have checked the HT lead...


I will recomend you to clean the carburetor and change the spark plug. If the spark plug is bad it might get problems to set fire to the gas. so change it and you might get your motorcycle working again. Good Luck.

Jun 08, 2011 | 2007 Aprilia SR 50 R Factory

2 Answers

Aprilia habana 50 starts fine but dies when i


sounds like a carb problem....try cleaning it out...take it off the scooter..& take float bowl off...& clean the jets

Mar 13, 2010 | 2000 Aprilia Moto 6,5

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