User manual YAMAHA NEO-S 50-2005

[. . . ] OWNER'S MANUAL YN50 5RN-F819D-E3 INTRODUCTION Welcome to the Yamaha world of motorcycling!As the owner of the YN50, you are benefiting from Yamaha's vast experience and newest technology regarding the design and manufacture of high-quality products, which have earned Yamaha a reputation for dependability. Please take the time to read this manual thoroughly, so as to enjoy all advantages of your YN50. The owner's manual does not only instruct you in how to operate, inspect and maintain your scooter, but also in how to safeguard yourself and others from trouble and injury. [. . . ] Consult a Yamaha dealer for proper maintenance intervals. s WARNING If you are not familiar with maintenance work, have a Yamaha dealer do it for you. 6-1 PERIODIC MAINTENANCE AND MINOR REPAIR EAU17710 Periodic maintenance and lubrication chart NOTE: · The annual checks must be performed every year, except if a kilometer-based maintenance is performed instead. · From 30000 km, repeat the maintenance intervals starting from 6000 km. · Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills. ODOMETER READING (x 1000 Km) No ANNUAL CHECK ITEM CHECK OR MAINTENANCE JOB · Check fuel and vacuum hoses for cracks or damage. · Check operation, fluid level and vehicle for fluid leakage. · Check operation and adjust brake lever free play. · · · · Check tread depth and for damage. Correct if necessary. 1 6 12 18 24 1 * Fuel line 2 3 Spark plug Air filter element 6 4 * Front brake 5 * Rear brake 6 * Brake hose 7 * Wheels 8 * Tires 9 * Wheel bearings Whenever worn to the limit Whenever worn to the limit Every 4 years · Check bearing for looseness or damage. 6-2 PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING (x 1000 Km) No ANNUAL CHECK ITEM CHECK OR MAINTENANCE JOB · Check bearing play and steering for roughness. · Lubricate with lithium-soap-based grease. · Make sure that all nuts, bolts and screws are properly tightened. · Check operation and for oil leakage. · Check oil level and vehicle for oil leakage. · Replace. 1 6 12 18 24 10 * Steering bearings 11 * Chassis fasteners 12 Centerstand Every 24000 km 13 * Front fork 15 * Carburetor 16 * Autolube pump 14 * Shock absorber assembly · Check operation and shock absorber for oil leakage. 6 17 Final gear oil 18 * V-belt 19 Lights, signals and 20 * switches Every 10000 km Moving parts and cables · Lubricate. · Adjust headlight beam. 6-3 PERIODIC MAINTENANCE AND MINOR REPAIR EAU19602 Checking the spark plug The spark plug is an important engine component, which is easy to check. Since heat and deposits will cause any spark plug to slowly erode, the spark plug should be removed and checked in accordance with the periodic maintenance and lubrication chart. In addition, the condition of the spark plug can reveal the condition of the engine. Remove the spark plug as shown, with the spark plug wrench included in the owner's tool kit. Check that the porcelain insulator around the center electrode of the spark plug is a medium-tolight tan (the ideal color when the vehicle is ridden normally). NOTE: If the spark plug shows a distinctly different color, the engine could be defective. Do not attempt to diagnose such problems yourself. Instead, have a Yamaha dealer check the vehicle. Check the spark plug for electrode erosion and excessive carbon or other deposits, and replace it if necessary. Specified spark plug: BR8HS/NGK BPR4HS/NGK (Mofa version) Spark plug gap: 0. 6 - 0. 7 mm (0. 024 - 0. 028 in) 2. [. . . ] Pour the drained fuel into the fuel tank. 7-3 3. Fill up the fuel tank and add fuel stabilizer (if available) to prevent the fuel tank from rusting and the fuel from deteriorating. Perform the following steps to protect the cylinder, piston rings, etc. Remove the spark plug cap and spark plug. [. . . ]