6 - 5CARBCARBURETOR5.Check: Vacuum chamber cover 1 Spring 2Cracks/damage → Replace.6.Check: Diaphragm (coasting enricher) 1 Spring 2 Cover 3Tears (diaphragm) /damage → Replace.7.Check: Jet needle 1 Main jet 2 Needle jet 3 Pilot air jet 4 Pilot jet 5 Pilot screw set 6 Starter jet 7 Starter plunger 8Bends/wear/damage → Replace. Blockage → Blow out the jets withcompressed air.8.Check: Free movement (piston valve)Sticks → Replace the piston valve guide andthe piston valve.Insert the piston valve into the carburetorbody, and check for free movement.9.Check: Free movement (throttle valve)Sticks → Replace.