SOURCE: yamaha v-star float bowl adjustment No. Wrongly adjusted float height makes the engine fail to run. If you get over flow leak (from the overflow hose) your fuel needle inside the carburetor simply does not close the gas supply hole firmly even if the floaters still pressing it against that hole. Pilot Screw Adjustment for the Recon 250 ('97 and up) This may also be suitable information for the same year 250SX quad. Note:-The pilot screw is factory pre-set. Adjustment is not necessary unless the carburetor is overhauled or new pilot screws are installed.-The engine must be warm for accurate adjustment. Rebuilding Honda TRX 400EX Carburetor. Install the new idle jet, the main jet holder and the air-mixture adjustment needle (all included in the carburetor kit), not forgetting the adjustment needle’s washer and O-ring (also included in the kit). NOTE: When installing parts made of brass (the jets and needles), be very careful not to overtighten them because brass is a soft metal. Carburetor Carb Rebuild Kit Repair for Honda TRX400EX 400EX TRX 400 EX 1999-2004. Specification: 100% Brand New and High Quality. Each kit contain all necessary parts, such as jet needles, main and slow jets, float chamber gaskets, and float valves. Fits Models: Honda TRX400EX 400EX TRX 400 EX.
Honda 400ex Carburetor Float Adjustment Tool
Honda 400ex Carb Diagram
I have a '96 fourtrax 300 4x4 which sat for almost a year. I couldn't get it started with a new battery, so I took apart the carburetor and gave it a good cleaning. Popped it back in and then it started with some choke help of course.
I then took for a ride down the road and noticed some throttle issues - basically seemed like it was starving for gas as I switched gears, which I was not getting the old power thrust I used to. I also noticed a different smell - not quite clutch burn though. Also, if I did not stay in motion, the motor would kill.
Two things to note regarding the carburetor cleaning:
1. When I removed the jets, I removed the idle mixture screw (pilot screw) without noting its original position, on accident. So I decided to place it back not too tight nor too loose.
2. I purchased one of those little $20 packets which contains a few replacement parts (ie: o ring, jets, springs and washers)
I noticed that when I removed my main jet, there was no emulsion tube in the hole (like stated in the instructions I was following) This tube was however in my replacement packet but would not fit below the main jet if I tried to re-install, so I left it out.
Any of you Honda gurus out there have any ideas/suggestions for this not so tech savvy bike owner? Would be much appreciated.