User manual YAMAHA DT125RE

[. . . ] 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! EAU00005 IMPORTANT MANUAL INFORMATION Particularly important information is distinguished in this manual by the following notations: Q w cC NOTE: The Safety Alert Symbol means ATTENTION! [. . . ] 9 Every two years replace the internal components of the brake master cylinders and calipers, and change the brake fluid. 9 Replace the brake hoses every four years and if cracked or damaged. 6-4 PERIODIC MAINTENANCE AND MINOR REPAIR 1 2 1 1 1. Screw (×2) EAU01534 Removing and installing cowlings 6 The cowlings shown above need to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time a cowling needs to be removed and installed. Cowling A To remove the cowling Remove the cowling screws, and then pull the cowling off as shown. 6-5 PERIODIC MAINTENANCE AND MINOR REPAIR 1 1. Screw (×3) To install the cowling Place the cowling in the original position, and then install the screws. EAU01534 Cowling B To remove the cowling Remove the cowling screws, and then pull the cowling off as shown. To install the cowling Place the cowling in the original position, and then install the screws. 6 6-6 PERIODIC MAINTENANCE AND MINOR REPAIR 1 1 1. Panel A 6 Cowling C To remove the cowling Remove the cowling screws, and then pull the cowling off as shown. To install the cowling Place the cowling in the original position, and then install the screws. EAU01122 Removing and installing panels The panels shown above need to be removed to perform some of the maintenance jobs described in this chapter. 6-7 PERIODIC MAINTENANCE AND MINOR REPAIR 1 2 1 2 1 1. Panel B Refer to this section each time a panel needs to be removed and installed. Panels A and B To remove one of the panels Remove the screw, and then pull the panel off as shown. To install the panel Place the panel in the original position, and then install the screw. 6 6-8 PERIODIC MAINTENANCE AND MINOR REPAIR 1 1 To check the spark plug 1. Check that the porcelain insulator around the center electrode of the spark plug is a medium-tolight tan (the ideal color when the motorcycle 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. Place an oil pan under the transmission to collect the used oil. Remove the oil filler cap and drain bolt to drain the oil from the transmission. 4. Install the transmission oil drain bolt, and then tighten it to the specified torque. Tightening torque: Transmission oil drain bolt: 15 Nm (1. 5 m0kgf) 5. Add the specified amount of the recommended transmission oil, and then install and tighten the oil filler cap. 6-11 PERIODIC MAINTENANCE AND MINOR REPAIR EAU01808 Recommended transmission oil: See page 8-1. Oil quantity: Periodic oil change: 0. 75 L Total amount (dry transmission): 0. 8 L Coolant To check the coolant level 1. Place the motorcycle on a level surface and hold it in an upright position. NOTE: 8 The coolant level must be checked on a cold engine since the level varies with engine temperature. 8 Make sure that the motorcycle is positioned straight up when checking the coolant level. A slight tilt to the side can result in a false reading. 1 2 cC EC000077 8 In order to prevent clutch slippage (since the transmission oil also lubricates the clutch), do not mix any chemical additives with the oil. 8 Make sure that no foreign material enters the transmission. [. . . ] Remove the spark plug cap and spark plug. Pour a teaspoonful of engine oil into the spark plug bore. Install the spark plug cap onto the spark plug, and then place the spark plug on the cylinder head so that the electrodes are grounded. (This will limit sparking during the next step. ) d. [. . . ]