Review on High-Performance Carburetor for Honda Fourtrax 300, Foreman 450, and Rancher 350 by Alfredo Testerman

I took a chance and ordered for 450es. It was a fairly simple setup. As others have said, the fuel intake is rotated to the 12 o'clock position instead of around 11 o'clock for the factory carburetor. It wasn't a big problem as I also replaced the fuel line. I was able to lay the fuel line without kinks. My kit didn't have a fuel heater so I took it off an old carburetor. Love the fact that it comes with a priming pump, my old factory carb didn't have one. A few clicks and off you go. Slightly readjusted the air/fuel screw and set the basic idle. I didn't use their throttle cable or choke piston. I reused what was on 4wheeler. This thing worked great for me.