User manual ETON VECTOR ST 250 SERVICE MANUAL

[. . . ] CONTENTS GENERAL INFORMATION 1. Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2. Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3. Engine Removal & Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 ENGINE 4. Lubrication System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5. Fuel System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 6. Cylinder HEAD & Cylinder Valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 7. [. . . ] Thus, if weight rollers are worn out or damaged, the centrifuge force will be affected. Service limit: mm Weight: 18. 2g Check if drive face boss is worn or damaged and replace it if necessary. Measure the outer diameter of movable drive face boss, and replace it if it exceed service limit. Service limit: mm Measure the inner diameter of movable drive face, and replace it if it exceed service limit. Service limit: mm Reassembly/installation Install weight rollers. Drive face boss Weight roller Movable drive face Weight roller Caution The weight roller two end surfaces are not certainly same. In order to lengthen the roller life and prevented exceptionally wears the occurrence, Please end surface of the closure surface counter clockwise assembles onto movable drive face. Closure surface Install ramp plate. Ramp plate Guide collar 65 With 4~5g grease spreads wipes drives in the movable drive face axis hole. Install drive face boss. Caution The movable drive face surface has to be free of grease. Clean it with cleaning solvent. Drive face boss Install movable drive face comp. onto crankshaft. Movable drive face Drive face boss Crank shaft Press down Driven pulley installation Press drive belt into pulley groove, and then pull the belt onto drive shaft. Drive belt Install drive face, washer and nut. Caution Make sure that two sides of pulley surfaces have to be free of grease. Torque value: 8. 5~10. 5kgf-m Install left crankcase cover. 66 8-7 Clutch Outer/Driven Pulley Disassembly Remove drive belt, clutch outer and driven pulley. Install clutch spring compressor onto the pulley assembly, and operate the compressor to let the wrench be installed more easily. Clutch nut wrench Caution Do not press the compressor too much. Hold the clutch spring compressor onto bench vise, and then remove mounting nut with special service tool. Release the clutch spring compressor and remove friction plate, clutch weight and spring from driven pulley. Remove seal collar from driven pulley. Clutch spring compressor Collar Remove guide pin, guide pin roller, and movable driven face, and then remove O-ring & oil seal seat from movable driven face. Movable driven face Seal Guide pin O-ring Guide pin Guide pin roller Inspection Clutch outer Measure the inner diameter of clutch outer. Service limit: mm Inner diameter Clutch outer 67 Clutch lining Measure each clutch weight thickness. Service limit: 2. 0 mm Replace Clutch lining Clutch weight Driven pulley spring Measure the length of driven pulley spring. Service limit: 83. 2 mm Free length Driven pulley Check following items: If both surfaces are damaged or worn. Measure the outer diameter of driven face and the inner diameter of movable driven face. Service limit: Outer diameter 33. 94 mm Inner diameter 34. 06 mm Driven face Movable driven face Guide pin groove Driven Pulley Bearing Inspection Check if the inner bearing oil seal is damage. Rotate the inside of inner bearing with fingers to check if the bearing rotation is in smooth and silent. Replace it if necessary. Outer ball bearing Needle bearing 68 Clutch weight Replacement Remove snap ring and washer, and then remove clutch weight and spring from driving plate. Spring Driving plate Caution Some of models are equipped with one mounting plate instead of 3 snap rings. Check if spring is damage or insufficient elasticity. Snap ring Clutch weight Check if shock absorption rubber is damage or deformation. [. . . ] Secondly, connect the charged negative cable to the battery negative terminal. (Quick charging) Keep flames and sparks away from a battery being charged. Quick charging should be limited to an emergency; Normal charging is preferred. 17. 5 ELECTRIC STARTER Information If a battery has not work a period of time, the voltage may reduce and may not provide enough power to starter motor. Please go back to service. TROUBLESHOOTING Starter Motor Turns Slowly Weak battery. [. . . ]