Fuel/Lubrication/ Carburetor Schematic Cooling NOTE: KYMCO recommends the use of new gaskets, lock nuts, and seals and lubricating all internal components when servicing the engine/transmission. NOTE: Some photographs and illustrations used in this section are used for clarity purposes only and are not designed to depict actual conditions. NOTE: Critical torque specifications are located in Section 1. SPECIAL TOOLS A number of special tools must be available to the KEY 1. Cover 15. Float Pin 27. Float Chamber technician when performing service procedures in this Assy 2. Screw 16. Pilot Screw section. 17. Spring 28. O-Ring 3. Spring 4. Vacuum 18. Washer 29. Screw Description p/n Piston 19. O-Ring 30. Spring 5. Spring Seat 20. Idle Adjust 31. Diaphragm Assy Oil Pressure Test Kit 6. Jet Needle Screw 32. Pump Housing 7. Needle Jet 21. Washer 33. U-Ring Seal Removal Tool 8. Jet Holder 22. Spring 34. Screw Tachometer 9. Main Jet 23. Plate 35. Screw 10. Slow Jet 24. Screw 36. Throttle Cable 11. Starter Jet 25. Electric 37. Cover NOTE: Special tools are available from the Choke 12. Float Valve 38. Screw KYMCO Spare Parts Department. 13. Clip 26. Choke Cover 39. Vent Hose 14. Float 0740-600 Carburetor Specifications Carburetor ITEM WARNING Carburetor Keihin CVK34 Whenever any maintenance or inspection is per- Main Jet 112 formed on the fuel system during which there Slow Jet 35 may be fuel leakage, there should be no welding, smoking, open flames, etc., in the area. Pilot Screw Setting (turns) 2 3/4 Jet Needle NLGB REMOVING Idle RPM (engine warm) 1250-1350 1. Remove the gas tank (see Gas Tank in this section). Starter Jet 75 Float Height 17 mm 2. Disconnect the intake air housing boot from the Throttle Cable Free-Play (at lever) 3-6 mm (1/8-1/4 in.) carburetor; then slide the intake air housing to the rear to clear the carburetor. 4-2