12. CARBURETOR VITALITY 50 THROTTLE VALVE (2-STROKE) DISASSEMBLY Remove the met-in box. ( 13-5) Remove the center cover and spark plug cover. ( 13-6) Loosen the carburetor top and remove the throttle valve. Carburetor Top Throttle Valve Disconnect the throttle cable from the throttle valve. Remove the throttle valve spring, Rubber Seal Carburetor Top carburetor top and rubber seal. Spring 12-5