Thanks. I did all of those previously. The bike will start right up, idle fine, rev up, I can put it in gear and ride it at rpms up to about 2000 but as soon as I open the throttle more than a little it loads up. I turned the mixture screw all the way in and backed it out in small increments but it changes nothing. Also I can ride at more open throttle positions, it’s just loading up at low to mid throttle positions. I don’t get it. Same
jets and everything as when it was fine before I removed it and cleaned it.

 

Good.
A stable idle is a good start and indicates the idle circuit is operating fine.

Consider what happens when you open the throttle. The slide raises and allows more air... while the tapered needle in the center of the slide ALSO rises which allows more fuel. If the position of the needle is too high in relation to the slide, it will let in too much fuel, but ONLY when you open the throttle. Does this sound like your symptom?

 

Yes. I realize that. I checked the needle. There are no adjustment slots in it like other ones I’ve seen. As far as I know everything in the carb was put back the way it was. I’ve had carbs apart before and I was careful. I don’t know what my mistake was. I appreciate you who are trying to help. I’m sure it’s something simple I’m missing but I’ve had the carb off several times and I just don’t see what I did wrong.

 

You're right... it is always something simple.
You'll slap your forehead when you find it.

Have the carb off the engine and connected to the throttle cable. Turn the throttle while watching the slide to see that the needle is coming back down freely along with the slide and is not binding on anything.

 

Does the throttle cable control the slide?

 

The last time I had a carb apart was my DRZ400SM about 12 years ago.

But if I recall, the throttle cable lifts the sliding cylinder along with the vacuum diaphram which senses engine load.
It's the tapered needle in the middle of the circular slide that regulates A/F ratio by letting in more fuel through the main jet as it is raised along with the slide.

Just some other random thoughts... did you blow out all of the air passages with compressed air? Were there any tiny ball bearings anywhere in the carb. Some carbs have them. in passage ways to control fuel flow. Find an exploded view of your carb from an OEM parts fiche for your bike so you can determine if all the jets are in the right places and there are no missing parts.

Again, it'll be something simple.

 

Thanks guys. I’m gonna pull it off again and check these things as soon as I get the chance Appreciate your responses 👍🏻

 

The circle of life. ....so now you've decided you did not put the carb together right, and are going to take it out and fix it?

 

That's how you learn.
I've worked on motorcycles for 56 years, and that's how I learned.

 

No the throttle opens the butterfly but does not open the slide