User manual YAMAHA ROYAL STAR TOUR CLASSIC-1998

[. . . ] If you have any questions concerning the operation or maintenance of your motorcycle, please consult a Yamaha dealer. The design and manufacture of this Yamaha motorcycle fully comply with the emissions standards for clean air applicable at the date of manufacture. Yamaha has met these standards without reducing the performance or economy of operation of the motorcycle. To maintain these high standards, it is important that you and your Yamaha dealer pay close attention to the recommended maintenance schedules and operating instructions contained within this manual. IMPORTANT MANUAL INFORMATION EAU10131 Particularly important information is distinguished in this manual by the following notations: The Safety Alert Symbol means ATTENTION! [. . . ] Check that the porcelain insulator around the center electrode on each spark plug is a medium-tolight tan (the ideal color when the vehicle is ridden normally). Check that all spark plugs installed in the engine have the same color. NOTE: If any 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. To install a spark plug 1. Measure the spark plug gap with a wire thickness gauge and, if necessary, adjust the gap to specification. 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. Spark plug gap Spark plug gap: 0. 8­0. 9 mm (0. 031­0. 035 in) 6-9 PERIODIC MAINTENANCE AND MINOR REPAIR EAU19681 EAU34080 Canister (for California only) Engine oil and oil filter cartridge The engine oil level should be checked before each ride. In addition, the oil must be changed and the oil filter cartridge replaced at the intervals specified in the periodic maintenance and lubrication chart. Place the vehicle on a level surface and hold it in an upright position. NOTE: Make sure that the vehicle is positioned straight up when checking the oil level. Install the new oil filter cartridge with an oil filter wrench, and then tighten it to the specified torque with a torque wrench. 10. Install the engine oil drain bolts, and then tighten them to the specified torque. Tightening torque: Engine oil drain bolt: 43 Nm (4. 3 m·kgf, 31 ft·lbf) 11. Pour only 2. 5 L (2. 6 US qt) (2. 2 Imp. qt) of the specified amount of recommended engine oil through the filler hole, insert the dipstick, and then tighten the oil filler cap. 6-12 PERIODIC MAINTENANCE AND MINOR REPAIR 12. Start the engine, rev it several times, and then turn it off. Remove the engine oil filler cap, and then gradually fill the oil tank with the remaining oil quantity while regularly checking the oil level on the dipstick. Recommended engine oil: See page 8-1. Oil quantity: Without oil filter cartridge replacement: 3. 70 L (3. 91 US qt) (3. 26 Imp. qt) With oil filter cartridge replacement: 4. 10 L (4. 33 US qt) (3. 61 Imp. qt) ECA11620 G Make sure that no foreign material enters the crankcase. EAU20042 Transfer case oil The transfer case must be checked for oil leakage before each ride. If any leakage is found, have a Yamaha dealer check and repair the vehicle. In addition, the transfer case oil level should be checked and the oil must be changed at the intervals specified in the periodic maintenance and lubrication chart. Place the vehicle on a level surface and hold it in an upright position. NOTE: Make sure that the vehicle is positioned straight up when checking the oil level. A slight tilt to the side can result in a false reading. [. . . ] 5-2 Engine stop switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Engine trouble warning light. . . . . . . . . . . . . . . . . . . . 3-2 N Neutral indicator light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Noise regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]