mills

THAT'S IT!!!!! That little O-ring goes around base of main jet to seal where it screws into main jet holder. Yippeeee!!!!

OK, on Bike Bandit's parts diagram it shows a O-ring (#15) between main jet and main jet holder. Its little bitty. The base of the holder has metal washer to seal it, so does it go on main jet between the threads and the round head to seal against the holder?

It's got to be I put the O-rings in wrong place under the main jet.

I'm off to check the exhaust!

Yes and new. Its all stock except BUB tips and they shouldn't require jetting change. That's the good thing about staying stock, all specs in manual should get bike running pretty good. TPS was within spec but I adjusted towards lower end of spec like in forum tech section speaks of. What would interrupt signal to diaphragms to make them flutter? Can I cuss now?

I replaced needle valve and seats when I cleaned it.

The Clymer book says get resistance between blue and black/blue, 5000, then multiply by .13 and .15 to get adjustment range, 650-750. Next measure resistance between yellow and blue where I got 4.37??? Resistance between Yellow and black/blue was 700. Is wording wrong about which wires to test? 700 would be right in the middle of the spec.

Starts, idles great and runs fine until just after 1/4 throttle. I'm reading up on how to check throttle pos sensor. Looks like checking resistances. I only tore down carbs enough to get bowls off, trying to prevent whatever problem I have now. All 4 slides flutter as throttle goes past 1/4.

Would that not trip a fault in the self diagnosis system?

I'm working on a friend's 99 Royal Star XVZ13AT. I've checked for similar posts,but no answers found. The bike sat for a year and the carbs got clogged up so he asked me to clean them, it ran fine before he let it sit. I disassembled carbs and cleaned all the clogged ports and blew out all passages with air, replaced fuel inlet needles and reassembled with no problem. Spraying carb cleaner into carbs doesn't help it get past the stumble. Diaphrams all operate normal. Air filter is new, slides just start to flutter as throttle goes past 1/4. Any insight to similar problems would be appreciated. I'm going to start all over with cleaning the carbs. I've never seen a carb with O-rings under a main jet before. I have surely missed something but a little help would be nice. Thanks