User manual YAMAHA 20DMO SERVICE MANUAL

[. . . ] As the owner of the YP400/YP400A, 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 YP400/YP400A. 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. In addition, the many tips given in this manual will help keep your scooter in the best possible condition. [. . . ] Start the engine by pushing the start switch while applying the front or rear brake. NOTE: If the engine does not start, release the 5-1 OPERATION AND IMPORTANT RIDING POINTS EAU45091 EAU16780 EAU16792 Starting off 1 2 1. While pulling the rear brake lever with your left hand and holding the grab bar with your right hand, push the scooter off the centerstand. Acceleration and deceleration Braking 1. Apply both front and rear brakes simultaneously while gradually increasing the pressure. Grab bar The speed can be adjusted by opening and closing the throttle. Check for oncoming traffic, and then slowly turn the throttle grip (on the right) in order to take off. Switch the turn signals off. 5-2 OPERATION AND IMPORTANT RIDING POINTS Rear ing downhill can be very difficult. EAU16820 Tips for reducing fuel consumption Fuel consumption depends largely on your riding style. Consider the following tips to reduce fuel consumption: G Avoid high engine speeds during acceleration. G Turn the engine off instead of letting it idle for an extended length of time (e. g. , in traffic jams, at traffic lights or at railroad crossings). 2 3 4 5 6 7 8 9 EWA10300 G G G G WARNING Avoid braking hard or suddenly (especially when leaning over to one side), otherwise the scooter may skid or overturn. Railroad crossings, streetcar rails, iron plates on road construction sites, and manhole covers become extremely slippery when wet. Therefore, slow down when approaching such areas and cross them with caution. 1000 km (600 mi) 10000 km (6000 mi) 20000 km (12000 mi) 30000 km (18000 mi) 40000 km (24000 mi) ANNUAL CHECK 1 2 9 * Brake hoses 10 * Wheels G G G G Every 4 years 11 * Tires G G G 3 4 5 6 14 * Chassis fasteners 12 * Wheel bearings G G 13 * Steering bearings G Every 20000 km (12000 mi) 6-4 G 7 8 9 Front brake lever pivot shaft Rear brake lever 16 pivot shaft Sidestand, center17 stand 18 * Sidestand switch 15 19 * Front fork G G G G G G Shock absorber assemblies 21 * Fuel injection 20 * G G PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING NO. (See pages 3-5 and 6-13. ) Check oil level and vehicle for oil leakage. 1000 km (600 mi) 10000 km (6000 mi) 20000 km (12000 mi) 30000 km (18000 mi) 40000 km (24000 mi) ANNUAL CHECK G When the oil change indicator flashes [every 5000 km (3000 mi)] Every 5000 km (3000 mi) 22 Engine oil G 23 Engine oil filter element 2 3 4 5 6 7 G G 24 * Cooling system G Final transmission 25 oil 26 * V-belt Front and rear brake 27 * switches Moving parts and 28 cables Throttle grip housing and cable Lights, signals and switches G G G Every 3 years When the V-belt replacement indicator flashes [every 20000 km (12000 mi)] G G G G 29 * G 8 30 * G G 9 6-5 PERIODIC MAINTENANCE AND MINOR REPAIR EAU34490 1 2 3 4 5 6 7 8 9 NOTE: G The air filters and V-belt filter need more frequent service if you are riding in unusually wet or dusty areas. G Hydraulic brake service Regularly check and, if necessary, correct the brake fluid level. Every two years replace the internal components of the brake master cylinders and calipers, and change the brake fluid. Replace the brake hoses every four years and if cracked or damaged. G G G 6-6 PERIODIC MAINTENANCE AND MINOR REPAIR EAU18712 Removing and installing cowlings and panels The cowlings and panels shown need to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time a cowling or panel needs to be removed and installed. 1 1 2 1. Remove the quick fasteners in the rear storage compartment, and then pull the cowling off as shown. NOTE: The quick fastener is removed by pushing the center pin in with a screwdriver, and then pulling the fastener out. To install the cowling 1. Place the cowling in the original position, and then install the quick fasteners. NOTE: To install the quick fastener, push the center pin out so that it will protrude from the fastener head, insert the fastener into the cowling, and then push the protruding pin in until it is flush with the fastener head. [. . . ] G Never apply oil or wax to any rubber and plastic parts, but treat them with a suitable care product. G Avoid using abrasive polishing compounds as they will wear away the paint. CAUTION: G Storing the scooter in a poorly ventilated room or covering it with a tarp, while it is still wet, will allow water and humidity to seep in and cause rust. G To prevent corrosion, avoid damp cellars, stables (because of the presence of ammonia) and areas where strong chemicals are stored. Follow all the instructions in the "Care" section of this chapter. [. . . ]