Smoke and backfire

[roach25681]

Right side exhaust is backfiring, and blows a light colored smoke when I get on it. Also smokes after I shut the bike off. Just took the carbs off and re-cleaned, set float levels to proper specs, and bread tie syched. Didnt happen until I did this. Also, #3&#4 exhaust pipes sizzle when I spray water on them whereas #1&#2 do not. Any ideas?

[79XS11F]

Looks like #1 is not firing every time and the unburnt fuel ignites in the pipes when it does = your backfire. If your 100% sure that the carbs are good then check ignition system with the focus being on #1. Could be as simple as a bad plug.
Rob

[roach25681]

Forgive the error above...dont know what happened. Number 1 and number 2 pipes both DO NOT burn the water off when I spray them down. Numbers 3 and 4 sizzle and the water turns to steam immediately. It only smokes and backfires from the right side exhaust....numbers 3 and 4. I also broke a float post in both 3 and 4 when setting float levels. Fixed with magnasteel. May be part of it?

[79XS11F]

That's going to be carbs or fuel supply to carb ... because ignition is not paired 1&2 , 3&4. So start at the fuel tank and work your way down. If fuel supply is good then it's likely off with the carbs .. again.
Rob

[roach25681]

Yay. They are probably screwed since the float posts were broken. I was able to set float levels correctly but I was worried about them since I broke them. I dont have the extra funds for another set of carbs anytime soon if they are to far gone.

[79XS11F]

those posts can be repaired if you have the pieces. contact cleaner and JB wield.
Rob

[roach25681]

Well I already fixed them with MagnaSteel....but I didnt have the original broken pieces. Just Magnasteeled the pins to the broken side.

[roach25681]

Well I figured out that the #2 carb wasnt getting any fuel into the float bowl because the float valve is screwed. I love waiting 2 weeks for a $10 part that keeps me off the road.