Main parts of Keihin carburetor: 1 - carburetor body; 2 - carburetor cover; 3 - needle valve; 4 - float; 5 - float chamber gasket; 6 - main fuel jet; 7 - idle fuel jet; 8 - accelerator pump nozzle; 9 - Automatic starting device housing; 10 - housing of bimetallic spring of automatic starting device; 11 - liquid chamber body of the automatic starting device; 12 - pneumatic drive of the air damper; 13 - accelerator pump cover; 14 - accelerator pump drive lever; 15 - 2nd chamber throttle valve; 16 - emulsion tubes; 17 - main air jet; 18 - idle emulsion tube; 19 - adjusting screw for idle mixture quality (composition); 20 - idle mixture quantity adjusting screw
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