Question about 2003 Honda CRF 150 F

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Took the carb off to clean it. Put it back together, and now the throttle cable is stuck wide open. Who do I fix the problem. I don't know to much about working on dirt bikes. The bike is a 2004 Honda 150f crf. Thank you.

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First be sure the cable is seated into the top cap of the carb. Check the clip on the needle. It should be in the center groove. Check the slide to be sure the notch in the side of the slide is lined up with the pin in the inner side wall of the carb throat and that the slide moves freely when the twist grip is operated. Is the throttle cable kinked or pinched abraded or routed improperly? Is the seal on the manifold still good? Is the manifold tight to the head and carb? Please rate my answer. Thanks.

Posted on May 22, 2011

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YOU DO NOT HAVE TO TOUCH THE CARB!!! Put the right 2cycle fuel mix in with new spark plug and run it, it will gradually pick up R.P.M's as it cleans out. once you get it running hit your primer button while holding it wide open, this will cause it to bog down and possible stall then start it again and do this half dozen times, what it is doing is pulling your fresh gas through the carb, another way is start and hold throttle wide open and work your choke open/shut back and forth several times, You do not have to clean your carb,this is simple problem to fix by doing what I said, Happy Leaf Blowing ! 2StrokeJim

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I have a Suzuki rm 125 2005 model and ran it wide open to long and now acts like its flooded... already took Carb apart to clean figured float was stuck found a piece of dirt so I put it back together and...

Does the engine have good compression? The ring in a 125 does not last very long - the bike could be down on compression pressure. Re-ring it.

Is your air filter clean? I've seen them so filthy that they were actually brittle. Check your air filter.

How about your spark plug? They do burn out. Replace with a new one.

If it's loaded up, pull the plug, hold the throttle wide open and kick the snot out of it about 20 times, then put a fresh plug in it and try it again.

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I have NEVER heard of a float sticking and causing that issue. Sounds to me like the Electronic Throttle Control (ETC) on the right handlebar isn't or wasn't adjusted. There is a thumb nut on the throttle cable coming out of the ETC switch. Loosen the screw and turn the cable in or out to get 1/16 to 1/8 inch freeplay on the thumb throttle. Too loose and it won't idle, too tight and it will pull the throttle cable tight and rev engine. It could also be a carburetor issue if it runs with choke. Either the idle screw isn't adjusted or the pilot jet is plugged. There is a large thumb screw coming off the carburetor, turning clockwise will turn the idle up. Let me know if you need anything else, Daniel.

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Just dismantle it slowly and have a look inside. Your throttle cable shouldn't be stressed when putting it back.

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