User manual YAMAHA YZ250F-2001

[. . . ] In addition, the many tips given in this manual will help keep your motorcycle in the best possible condition. If you have any further questions, do not hesitate to contact your Yamaha dealer. The Yamaha team wishes you many safe and pleasant rides. So, remember to put safety first! IMPORTANT MANUAL INFORMATION Particularly important information is distinguished in this manual by the following notations: The Safety Alert Symbol means ATTENTION! [. . . ] Check the coolant level in the coolant reservoir. NOTE: The coolant should be between the minimum and maximum level marks. _ _ 6 3. If the coolant is at or below the minimum level mark, remove the seat (See page 3-11 for seat removal and installation procedures. ), and then open the coolant reservoir cap. Add coolant or distilled water to raise the coolant to the specified level, close the coolant reservoir cap, and then install the seat. 6-13 CAUTION: G If coolant is not available, use distilled water or soft tap water instead. Do not use hard water or salt water since it is harmful to the engine. G If water has been used instead of coolant, replace it with coolant as soon as possible, otherwise the engine may not be sufficiently cooled and the cooling system will not be protected against frost and corrosion. G If water has been added to the coolant, have a Yamaha dealer check the antifreeze content of the coolant as soon as possible, otherwise the effectiveness of the coolant will be reduced. _ PERIODIC MAINTENANCE AND MINOR REPAIR EW000067 WARNING Never attempt to remove the radiator cap when the engine is hot. _ _ NOTE: G The radiator fan is automatically switched on or off according to the coolant temperature in the radiator. G If the engine overheats, see page 6-45 for further instructions. _ _ 1. Fuel tank bolt (× 2) To change the coolant 1. Place the motorcycle on a level surface and let the engine cool if necessary. (See page 3-11 for seat removal and installation procedures. ) 3. If necessary, add sufficient coolant until it reaches the top of the radiator, and then install the radiator cap. Check the coolant level in the reservoir. If necessary, remove the coolant reservoir cap, add coolant to the maximum level mark, and then install the cap. Start the engine, and then check the vehicle for coolant leakage. If coolant is leaking, have a Yamaha dealer check the cooling system. Install the right air intake duct, and then tighten the clamp screws. 6-16 6 PERIODIC MAINTENANCE AND MINOR REPAIR 1. Fuel tank bolt (× 2) EAU04281* 1. Air filter element Cleaning the air filter element The air filter element should be cleaned at the intervals specified in the periodic maintenance and lubrication chart. Clean the air filter element more frequently if you are riding in unusually wet or dusty areas. (See page 3-11 for seat removal and installation procedures. ) 2. Lift the fuel tank to position it away from the air filter case. [. . . ] 5-3 Starting the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Start switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Steering, checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-33 Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]