Question about 2002 Aprilia RS 125

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Bike won't rev up

My 2002 rs 125 sometimes starts and runs fine but sometimes the throttle is less responsive and it starts spluttering at 6500 rpm and wont rev any higher any ideas?

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  • 408 Answers

Take out the exhaust canister from the cylinder and check the exhaust port.It may be jammed from burned oil.Clean it very carefully by scratching it with a bended flat screw driver but don't scar the piston.While you are in there move the piston up and down to check for scratches.Also make sure the exhaust reed valve is working properly

Posted on May 26, 2009

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My apprilia rs 125 wont rev over 8000 rpm


Hi Anonymous, 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.
Aprilia Rs125 wont rev over 8000rpm
http://www.apriliaforum.com/forums/showthread.php?288926-Aprilia-RS-125-wont-rev-passed-9000-RPM
bike lost all power and wont rev past 8000rpm
DOWNLOAD Aprilia Rs 125

Feb 09, 2014 | Aprilia Motorcycles

1 Answer

WONT REV ABOVE 3500 RPM


Hi, Anonymous for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike 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 problem. 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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Derbi Boulevard 125 150 200 Factory Service Repair Manual Download Manuals...
https://www.oemmotorparts.com/oem2.asp?M=derbi
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Mar 16, 2013 | 2008 Derbi Cross city

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Why does my DT125 splutter at hight revs


Sounds like either the bike is starving for gas at higher RPM's, or you're hitting the rev limiter.

Jun 15, 2012 | Yamaha DT 125 R Motorcycles

1 Answer

Bike has a hesitation and slight stutter between 5000 and 6500 rpm when held on the throttle It pulls through it when throttle opened wide And hits power valve Feels like it's running out of...


Hi, Simon31778 and the usual suspects are:
1. Throttle cables misaligned or misrouted.
2. Damaged or restricted fuel tank venting system.
3. Inlet system air leak.
4. Vacuum piston malfunction.
5. Accelerator pump leaking or no output.
6. Plugged bowl vent.
7. Fuel level in bowl too low.
8. Restricted fuel supply passages.
9. Plugged jets or passages.
10. Worn or damaged needle or needle jet.
12. The enricher valve not seated or leaking.
For more information about your issue please visit the websites below. Good luck and have a nice day.
DOWNLOAD Aprilia Rs 125

Aug 20, 2011 | Aprilia RS 125 Motorcycles

1 Answer

My bike has to rev up to 4000-5000 rpm in first gear so i can get going and was just wondering if that was normal or is soemthing wrong with the bike ? 2001 aprilla rs 125


check the tranny fluids? low transmission fluid causes slippage, which could be what makes your bike rev so high to get going.

Apr 07, 2010 | 2001 Aprilia RS 125

1 Answer

To keep my engine running i have to pull the throttle obviously to rev it, else it the engine cuts out, and when i ride it splutters and cuts out, so i kick down a gear n it starts again but then dies...


has the bike been sitting for some time? Sounds like a classic case of gummed up low speed jets in the carbs. Pull the carbs and clean then out.

Mar 11, 2010 | 2000 Aprilia RS 125

1 Answer

Coughs and splutters till about 6500 revs when power valve cuts in it seems fine but got to keep revs up


6500 rpms? Just how fast are you driving my friend?

You have serious fuel issues (not to mention the need for speed issue). Your trouble is in your fuel delivery system. ... probably too much.

Nov 01, 2009 | 2002 Aprilia RS 125

1 Answer

Aprilia RS 125 Power Loss


I guess youwillhaveto adjust the clutch cable so as to open the plates more at the pressure plates to let the clutch plate rotate freely instead of binding thus the low rpm.
Hope this helps!

Oct 29, 2009 | 2004 Aprilia RS 125

1 Answer

Bike won't rev up


i have had a lot of experience in this bike, the parts are really hard to get hold of from experience. this did happen to me but mine had a 65 bore kit on it and it turned out to be the bearings. there is not much that can stop a two-stroke bike reving up like that as the mechanics inside are very straight forward. a good tell tale is to check the inside of your sump plug, if there are filings on it as it is magnetic, this is more than probably the bearings and will need rebuilding. really sorry if this is nto the answer you are looking for.

Feb 26, 2009 | 2002 Aprilia RS 125

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