User manual YAMAHA 20DERO SERVICE MANUAL

[. . . ] In addition, the many tips given in this manual will help keep your scooter in the best possible condition. If you have any further questions, do not hesitate to contact your Yamaha dealer. So, remember to put safety first! IMPORTANT MANUAL INFORMATION EAU34111 Particularly important information is distinguished in this manual by the following notations: The Safety Alert Symbol means ATTENTION!YOUR SAFETY IS INVOLVED! WARNING Failure to follow WARNING instructions could result in severe injury or death to the scooter operator, a bystander, or a person inspecting or repairing the scooter. [. . . ] G From 30000 km (17500 mi), repeat the maintenance intervals starting from 6000 km (3500 mi). G Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills. ODOMETER READING NO. ITEM CHECK OR MAINTENANCE JOB 1000 km (600 mi) 6000 km (3500 mi) 12000 km (7000 mi) 18000 km (10500 mi) 24000 km (14000 mi) ANNUAL CHECK 1 * Fuel line · Check fuel hoses for cracks or damage. · Replace. 2 Spark plug 6 3 * Valves 4 * Air filter element 5 V-belt case air filter element · Check valve clearance. · Replace brake pads. 6 * Front brake Whenever worn to the limit 7 * Rear brake · Check operation and adjust brake lever free play. · Replace brake shoes. Whenever worn to the limit 6-2 PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING NO. ITEM CHECK OR MAINTENANCE JOB 1000 km (600 mi) 6000 km (3500 mi) 12000 km (7000 mi) 18000 km (10500 mi) 24000 km (14000 mi) ANNUAL CHECK 8 * Brake hose 9 * Wheels · Check for cracks or damage. · Make sure that all nuts, bolts and screws are properly tightened. Every 4 years 10 * Tires 11 * Wheel bearings 6 12 * Steering bearings Every 24000 km (14000 mi) 13 * Chassis fasteners 14 15 16 Front brake lever pivot shaft Rear brake lever pivot shaft Sidestand, centerstand 17 * Sidestand switch 18 * Front fork 6-3 PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING NO. ITEM CHECK OR MAINTENANCE JOB 1000 km (600 mi) 6000 km (3500 mi) Every 12000 km (7000 mi) 12000 km (7000 mi) 18000 km (10500 mi) Every 2000 km (1200 mi) 24000 km (14000 mi) ANNUAL CHECK 19 * Shock absorber assembly · Check operation and shock absorber for oil leakage. · Check the air cut-off valve, reed valve, and hose for damage. Measure the spark plug gap with a wire thickness gauge and, if necessary, adjust the gap to specification. 1. Check that the porcelain insulator around the center electrode of the spark plug is a medium-to-light tan (the ideal color when the vehicle is ridden normally). 6-8 PERIODIC MAINTENANCE AND MINOR REPAIR EAU45480 NOTE: If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/4­1/2 turn past finger tight. However, the spark plug should be tightened to the specified torque as soon as possible. Install the panel. Engine oil The engine oil level should be checked before each ride. In addition, the oil must be changed at the intervals specified in the periodic maintenance and lubrication chart. The engine oil must also be changed at the initial 1000 km (600 mi) and when the oil change indicator color changes from green to red. The oil change indicator must be reset after the initial 1000 km (600 mi). NOTE: Make sure that the vehicle is positioned straight up when checking the oil level. Start the engine, warm it up for several minutes, and then turn it off. 1. Spark plug gap Spark plug gap: 0. 7­0. 8 mm (0. 028­0. 031 in) 6 2. Clean the surface of the spark plug gasket and its mating surface, and then wipe off any grime from the spark plug threads. [. . . ] Lubricate all control cables and the pivoting points of all levers and pedals as well as of the sidestand/centerstand. Check and, if necessary, correct the tire air pressure, and then lift the scooter so that both of its wheels are off the ground. Alternatively, turn the wheels a little every month in order to prevent the tires from becoming degraded in one spot. Cover the muffler outlet with a plastic bag to prevent moisture from entering it. [. . . ]