Question about 2001 Hyosung RX 125

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Carburetor settings i need the carburetor settings for a hyosung sd50 sense scooter

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For the carb idle screw and the carb air screw, IMPORTANT > do not tighten these two screws down. Only screw these in until they LIGHTLY seat. Now turn each screw one and one half turns outward. Set the engine idle speed from this point.

Pleas rate this answer. Thanks fergie881!

Posted on Apr 14, 2009


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Posted on Jan 02, 2017


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2005 ,250 twin carb hyosung ..need to know how to readjust the carb screws so it stops stalling when given gas

Hi, Cathie and the usual suspects are:
1. Idle circuit and transfer ports clogged.
2. Air fuel mixture adjustment too lean.
3. Pilot jet clogged.
4. Faulty accelerator pump.
5. Float level too low.
6. Float bowl contaminated old fuel, water, dirt, rust, etc.
7. Float bowl vent or overflow tube clogged.
8. Fuel flow to carburetor restricted.
9. Intake manifold leak.
10. The gas cap is not venting properly or fuel tank venting system blocked.
11. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
12. Needle and seat stuck closed in the float bowl.
13. Multi carburetors not in sync.
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.
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Manual for 2000 Hyosung moped

Hi, Tina the vast majority of service, parts, and owners manuals on the internet are "FREE" to download and all service manuals contain wiring diagrams in the back pages. The rest usually charge a modest fee around $10 sometimes more and there is a handful of obscure, rare, obsolete, and very old models that are no longer or never were available, then there is eBay where you may be able to find what you need at a very high price because of its age and rarity. Most of the "FREE" manuals will cover your exact make, model, and year otherwise one will be provided that comes as close as possible to your bike and will have most of the same info that an exact manual would have. To download your manual please click on the blue links below. Good luck and have a wonderful day.
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My hyosung hyper 125 scooter won't even try to turn over the engine - it was running when I got it but now won't turn - could this be the solenoid or the switch?

Hi, Janie and the usual suspects are:
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
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.
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.
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Anyone know weather the 2008 hyosung RT 125D Karion is restricted? If so how do i take it off? A friend says that is is but im unsure

Hi, Anonymous very possible for more information about your question and free downloads that you will need please visit the websites below. Good luck and have a nice day.
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How do I fix regulater

Hi Daniel, first check and make sure it has a good ground and all connections are clean and tight, if it still doesn't work and is of solid state construction you will have to replace it. Good luck and have a nice day.

Jun 29, 2015 | 2007 Hyosung Sense SD50

2 Answers

How to drain fuel from my Hyosung scooter

You can buy a set up at most automotive stores to syphon that gas into a gas can. You can also view this video if you want to do it without buying anything.

Sep 11, 2012 | 2005 Hyosung SF 50 Rally

1 Answer

How do I clean carb on 2002 Hyosung Sense?

Hi Mjhorne275, I am sorry you can't find the first and best tool you ever bought for your Hyosung but despair not for a mere $15.00 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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What drive belt do i need for a hyosung hyper grand prix 125 scooter

you need a mitsubishi drive belt from a company called T Northeast in london dont put any other belt on it as it wont last 10 minutes as other belts are not as strong if you look on youtube and type in hyosung hyper you will see my collection of hyosung hypers and ive also got a drive belt for a hyosung hyper if you are intrestid in buying it my contact number is 07794809566 or my email address is i work on these scooters day in day out

Aug 29, 2010 | Hyosung RX 125 Motorcycles

2 Answers

My scooter wont start can u help

It is definitely frustrating when you can't get your scooter or moped started. The first thing you'll need to do is to narrow down the problem. In order for your gas scooter to start, it really only needs 3 things:

Your scooter needs to spark at the correct time.
Your engine needs the proper fuel/air mixture and exhaust flow.
You need sufficient engine compression.

Top 9 Reasons Why Your Scooter Won't Start:

Try depressing the brake handle when starting.
2. The battery has not been charged.
3. The battery is hooked up wrong. This is often the reason for blown fuses.
4. There isn't enough gas or two-stroke oil in the scooter.
5. There is a gas flow problem, especially on the Euro Scooter or Yamaha models.
6. The spark plug wire is not connected.
7. A low battery or bad relay can cause the scooter to only start by using the kick starter.
8. There is no spark to the spark plug. The coil is bad and needs to be replaced.
9. Turn the key to the "on" position.

Apr 12, 2010 | 2002 Hyosung RX 125

1 Answer

Problem with running of scooter

Sounds like it is running too lean. Look for an air leak around the carburettor manifold.

Jun 29, 2009 | 2002 Hyosung GF 125

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