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Kymco scooter like 200i starts up ok warms up and backfires and stalls out

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Sounds like a spark plug problem or a cracked coil

Posted on Apr 25, 2019

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6ya6ya

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  • 2 Answers

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Posted on Jan 02, 2017

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capjoe

  • 1 Answer

SOURCE: kohler command 18 backfires when warmed up

kohler pro 18 on craftsman riding mower. Idles fine but lacks power at high speed. i installed a new carb. does not seem like it is not opening up full throttle and will back fire if i accelerate the throttle too fast.

Posted on Mar 11, 2011

fujimbo12

  • 1 Answer

SOURCE: my 2005 50cc kymco cobra racer scooter does not start

i have fire and new cdi ran find for 2 days but hard to start now it will not start

Posted on Mar 26, 2011

anthonywarbu

  • 10 Answers

SOURCE: Kymco Vitality 2t 50 won't turn over. When I

Take your spark plug out of the cylinder, reconnect it to the ht lead and place it on to your frame if you see a spark then your coil is fine, try a new spark plug, if there is no spark get a new coil and plug.

Remember there is a 2t and a 4t version of the kymco vitality and the spark plugs are different.

Posted on Jun 12, 2011

andy

  • 33 Answers

SOURCE: 2007 kymco agility 125cc scooter

could be one of a few things. Most likely fuel related. 1) carb blocked main jet (whip it out n clean it) 2) air filter clogged up or split (remove spark plug and if it is black there is too much fuel and either the airfilter is blocked up or the choke is stuck on, if it is very white there is too much air getting infrom either a split air filter or leaking inlet pipe) 3) change spark plug.

Posted on Jul 02, 2011

Darren

  • 51 Answers

SOURCE: my 1987 yamaha razz riva scooter won't start and it;ll backfire then almost start then nothing?

take out the spark plug and clean it or replace then check the gap

Posted on Jun 13, 2012

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Hi, Adams and the usual suspects are:
1. Dirty or clogged air filter.
2. Faulty spark plug.
3. Bad Gas.
4. Improper oil level.
5. Improper chain adjustment and lubrication.
6. Low tire pressure.
7. Dirty or contaminated carburetor needs cleaning and tuning.
8. Clogged or faulty fuel pump or injectors.
9. Improper valve adjustment.
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Hi, Ronnie the answer to this question is way above my pay grade for this situation, I would call or visit my local dealer or reputable shop's service/parts department or eBay and inquire about any possible quick fix, answers, or parts inquiry.
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Hi, Brian 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. 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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Hi, Christopher and the usual suspects are:
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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.
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