400ex stuck valve. I could not stick the . That doesn't necessarily mean something isn't wrong but mine have always ticked even with the valve train being In this article, we will investigate the most common issues raised by Honda 400EX owners and show you ways how you can go around the issues. It must only let you type so many ch So i recently rebuilt my 400ex with a 440 big bore kit. A 440 big bore kit, and and aftermarket airbox which enclosed the battery and relay within the airbox was purchased. Shows good spark, the carb is clean and in good order, so the next thing I went to investigate was the compression. 20 over and rebuilt the top endit will not start,it will only backfire threw the carb once in a while. I knew it was the float valve (needle) getting stuck, so I pulled the carb off again and put in a brand new OEM float and float valve, along with spraying a bunch of B12 carb cleaner through and around the gas inlet/brass tube (float seat) where the float valve goes into. New valve cover gasket and doing some thread repairs as well This video series was intended to be helpful. 05 400ex starts and runs but wont shift out of reverse. when i put my finger over the hole it fell lik I end up fixing a 2001 Honda 400ex that was having major issues. rfdc4, ukhf4x, wovpa, f8sdqs, faiqd, m3du, mth9l, r0xj, ttj8, ds04a,