2005 raptor 90

- Bought from friend that had it sitting
- Started it and it only ran on choke and died with out choke
- puled carb out, poked all jets with a wire from my wire brush, sprayed with carb clean and blew out with compressor and re assembled ( I use to work at a motorcycle shop so I have done 50+ carb cleans in my time and I have pulled this one apart now 3 times to make sure it went together correctly

-Started quad let it warm up and then turned choke off and the quad revs to the moon. The idle screw has no affect on lowering it only raises it
- Fuel air mixture screw has no adjustment unless it is 1\4 turn from being all the way tight\in\seated and then the idle will lower but when you hit the gas it revs up wildly keeping idle up then dropping a little and going up and down.

What the hell did I do to this stupid thing.

 

You have an air leak somewhere. Or you don't have the throttle cable screwed in all the way and that's not letting the venture come all the way down.

 

 

Wow, a CD carb on a 90, Honda 250s don't get that. Fuel can only get from carb to engine through the throttle butterfly or the "choke" (actually an excess fuel device on that carb). So, if you are certain of no manifold leaks, either the butterfly isn't closing far enough due to, as Jered wrote, the throttle cable being adjusted too short for the lever to hit the stop, or the stop is not adjusted right. Take the cover off and see if the cable is tight and the lever not hitting the stop. Other possibility, choke sticking slightly open, either because of cable problems, or the plunger sticking, this is common on the bigger CD carbs.

 

not sure if wd40 would do it. I use carb cleaner. It should've revved to the moon right away even with the choke. Check it with carb cleaner very thorough. Did you get the O rings in? And on the air fuel screw did you pull a spring? than a washer? than tiny o ring? If you don't have all that installed correctly your screw will do nothing for adjustment too.

 

pull that out put spring on than washer than o ring and if you got a rebuild kit with a new Oring check and make sure the old one came out on dismantle I purchased a warrior for $100 and that was what was wrong with it