20 Most Recent 2000 Aprilia RS 125 Questions & Answers


Hi, Anonymous excellent question, before I begin let me address motorcycles with valves and seats designed to run on leaded fuel issue, you can run unleaded fuel without a lead additive with no problem just replace the valves and seats with ones designed for unleaded fuel the next time you need a top end overhaul. In extremely rare cases some higher compression engines will ping using the highest octane graded unleaded fuel available in these cases the use of a lead additive or aviation fuel is recommended. Octane rating is a measure of a fuel's ability to resist 'knock'. The octane requirement of an engine varies with compression ratio, geometrical and mechanical considerations and operating conditions. The higher the octane number the greater the fuel's resistance to knocking or pinging during combustion.
The recommended octane rating for most motorcycles is usually octane 87, but be sure to check your bike's owner's manual. Ordinarily, your motorcycle will not benefit from using an octane higher than recommended in the owner's manual. However, some motorcycle models have high-compression engines and electronic controls, which are designed to benefit from the greater power output and improved fuel economy of high-octane fuel. Since octane requirements can vary with operating and environmental conditions, your bike may need a higher octane fuel than recommended to prevent knocking.
Bottom line, use the lowest grade octane that gives you acceptable performance without knocking or pinging.
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.
https://www.apriliaforum.com/forums/showthread.php?9533-Which-do-you-use-then-(RS125-Fuel-s)
https://www.ebay.co.uk/b/aprilia-rs-125-tank/bn_7024882854
APRILIA RS 125 Workshop Manual
https://www.oemmotorparts.com/oem4.asp?M=Aprilia&T=RS%20%20125&Y=2000&L=AP_RS3
https://www.apriliaforum.com/forums/showthread.php?210303-Anyone-have-a-RS-125-Owners-manual-for-sale

2000 Aprilia RS... | Answered on May 28, 2019


theres somethin in the transmission or drive thats doinit--need a bottom end inspection or rebuild of gear area--get a repair book online-u need special tools and technique

2000 Aprilia RS... | Answered on Jan 06, 2017


Hi, Andyoupe2006 for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix 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.
Two Stroke Scooter ATV Carburetor Settings And Adjustments 1of4 Basics...
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2000 Aprilia RS... | Answered on Jan 05, 2017


This i def an issue inturnally with the gear box or gear selector the engine will have to be stripped and checked for damage.

2000 Aprilia RS... | Answered on Jan 04, 2017


Hi, Daveksingh 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.
http://www.apriliaforum.com/forums/showthread.php?285744-rs125-powervalve-blanking-plate-PV-OPEN-ALL-THE-TIME
Aprilia RS 125 spluttering when ride
http://performanceforums.com/forums/archive/index.php/t-67251327.html
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2000 Aprilia RS... | Answered on Jan 03, 2017


Hi, Dr_croft and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enricher.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Discharged battery, check 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.
8. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
10. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2 and/or BAS).
11. Security alarm needs a reset.
For more information about your issue, please visit the websites below. Good luck and have a nice day.
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Aprilia RS... | Answered on Oct 29, 2015


Hi, Niah_ellisto 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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2000 Aprilia RS... | Answered on Oct 29, 2015


Hi, Harris7379 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.
DOWNLOAD 2000 Aprilia Rs 125

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2000 Aprilia RS... | Answered on Oct 29, 2015


Hi, Mutznutz21 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.
Two Stroke Scooter ATV Carburetor Settings And Adjustments 1of4 Basics...
DOWNLOAD 2000 Aprilia Rs 125

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2000 Aprilia RS... | Answered on Oct 29, 2015


Hi, Shaun_meason for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix 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.
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2000 Aprilia RS... | Answered on Oct 28, 2015


Hi, Tashbbes the following applies to carbureted also fuel injected models and the usual suspects are:
1. Severely discharged or a damaged battery, 9 volts or lower.
2. Faulty alternator/generator and or voltage regulator.
3. Check 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.
4. Faulty main circuit breaker or ignition switch, check for loose connections and continuity.
5. Faulty system and or ignition relay, check for continuity.
6. Faulty ignition coil, ignition/electronic module.
7. Faulty CKP, CPS, CMP, MAP, TPS, O2, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Water or dirt in the fuel system, carburetor or filter.
9. . Restricted, blocked or kinked fuel line.
10. Fuel tank empty.
11. The gas cap is not venting properly or fuel tank venting system blocked.
12. A faulty Fuel Pump, pressure regulator and or fuel injectors.
13. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
14. Needle and seat stuck closed in the float bowl.
For more information about your issue, please visit the websites below. Good luck and have nice a day.
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2000 Aprilia RS... | Answered on Oct 28, 2015


Hi, B_bissett 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. DOWNLOAD 2000 Aprilia Rs 125

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Aprilia RS... | Answered on Oct 28, 2015


Hi, Cal2k1_rulz 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.
DOWNLOAD 2000 Aprilia Rs 125

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Aprilia RS... | Answered on Oct 28, 2015


Hi, Jessicaexx and the usual suspects are:
1. Fuel mixture too rich or enrichner left out too long.
2. Incorrect spark plugs for your kind of service.
3. Piston rings badly worn or broken.
4. Valve guides are badly worn and/or seals worn, crushed or have come off valve guide and pump oil through it.
For more information about your issue, please visit the websites below. Good luck and have a nice day.
DOWNLOAD 2000 Aprilia Rs 125

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Aprilia RS... | Answered on Oct 28, 2015


Hi, Jerome_silva for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix 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 2000 Aprilia Rs 125

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Aprilia RS... | Answered on Oct 28, 2015


Hi, Ellsyv for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix 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.
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2000 Aprilia RS... | Answered on Oct 28, 2015


Hi, Leonard_trim for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix 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 2000 Aprilia Rs 125

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Aprilia RS... | Answered on Oct 28, 2015


Hi, Fathead79 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 2000 Aprilia Rs 125

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Aprilia RS... | Answered on Oct 28, 2015

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