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The scooter wont idle. it runs good. off idle how to adjust the carb

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6ya6ya
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Posted on Jan 02, 2017

gregg201
  • 40026 Answers

SOURCE: I had my 06 gy6 roketa 150cc scooter running good,shut it off n now can't get no fire...wont start...new carb,new plug! Any help?

Hi, Jim and the usual suspects are:
1. Fuel tank empty.
2. The fuel tank has old dead gas.
3. Fuel tank bottom contaminated with ethanol sludge, dirt, water, rust, etc.
4. Fuel supply valve/petcock turned off.
5. Fouled spark plugs.
6. Engine flooded as a result of overuse of the enrichner.
7. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
8. Fuel valve/petcock or filter clogged.
9. Fuel line to carburetor or throttle body pinched, kinked or blocked.
10. Carburetor float stuck.
11. Fuel injectors clogged.
12. A severely discharged or damaged battery, you need 12.5 volts or better and be able to pass a load test if necessary.
13. 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.
14. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
15. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections loose, or connected to the wrong cylinders.
16. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
17. Faulty neutral, clutch lever, or kickstand safety switch.
18. Faulty fuel pump or fuse or relay.
19. A stuck bent or burnt valve.
20. Tilt sensor needs a reset.
21. Security system not disarming alarm needs a reset.
22. 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.
engine cranks spark but still no start
The Ultimate GY6 Starter Ignition Troubleshooting Tutorial
http://www.family-motorsports.net/GY6-50cc-150cc.pdf
MC04A1501
Roketa bali 150 Owner Manual

Posted on Mar 29, 2017

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1 Answer

My Sym moped starts but won't idle It shuts off when trying to give it gas


Hi, Gigi and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
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Hi, James 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. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting screw set too low.
8. Air/fuel mixture screw set too lean.
9. Idle port, transfer ports, slow air jet clogged.
10. Slow fuel jet clogged.
11. Faulty fuel pump.
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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1 Answer

Scooter carb adjustment


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 issue. For more information about your issue please visit the website below. Good luck and have a nice day.
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1 Answer

50cc Scooter won't rev up, Keihin PD18J carb


my 50cc scooter will idle at first and rev very well but wont idle what can this be

Jul 08, 2012 | Motorcycles

1 Answer

I have a sunl l50. It was running we turned the


There are two screws you need to kano about the frist is on the lower side of the carb this adjust your air and gas mixure it may look **** plus you might have to remove a body panel to have aaess to it it is on th left side of the carb the secend one is where by the area your gas cable goes to that turns up the idle speed . how to adjust it this first get the bike running at a highter idle to do this you will have to turn up the screw by the cable then adjust the screw on the side of the carb to you get the hightest rpm and runs smouth then turn the screw by the cable down to where it doesnt stall out for more info go to www.scootdawg.com it's a great web site for scooter riders you will find anything you need there Your motor is known as a GY6 Motor thay are in most of these chinese scooters I have rebuilt my share of them one thing alwas use high octine gas that will hely your issue as well. Best of Luck Larry

Oct 26, 2009 | 2005 Qianjiang QJ150

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I bought a scooter from Right Way Scooters and it


adjust your idle up slightly, should have a screw on side of carb, turn slowly til' idle is correct

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Hyosun Scooter Carb Adjustments


Very good thought process on the adjustments. The throttle screw sets the idle speed and the air screw sets the fuel mix at idle speed. The stock setting is 1.5 turns outward. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward.

From this point you adjust the idle speed then adjust the air screw for fastest idle speed at that throttle screw setting. If the idle speed becomes faster than desired after adjustment, just reset the throttle screw and then reset the air screw.

A “very helpful” rating for this answer? Thanks!

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2000 yamaha zuma scooter


hello, sounds like u need to clean carb, new plug

Aug 22, 2008 | Sport & Outdoor - Others

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