5. FUEL SYSTEM Mongoose/KXR 90/50 Auto Bystarte DISASSEMBLY Remove auto bystarter cap. Remove the two screws and then remove auto bystarter and plate. Auto Bystarter Cap Screws Screws Remove the three float chamber screws and remove the float chamber. Float Chamber Pull out the float pin, then remove float and Float Valve Float float valve. Float Pin Slow Jet Air Screw Remove the main jet, needle jet holder, and needle jet. Remove the slow jet. Remove the air screw and throttle stop screw. Main Jet/Needle Jet Throttle Stop Screw Holder/Needle Jet 5-12