13-1. FUEL SYSTEM/CARBURETOR/ FUEL PUMP/ FUEL TANK GRAND DINK 125/150 FLOAT CHAMBER ASSEMBLY Slow Jet Main Jet Install the main jet. Install the slow jet. Install the pilot screw. · Be sure to record the rotating turns when it is removed. Pilot Screw Float Install the float valve, float and float pin. Float Valve Float Pin 13-15