2008 Yamaha Motorsports Royal Star Venture Owners Manual - Page 79
2008 Yamaha Motorsports Royal Star Venture Manual
Page 79 highlights
PERIODIC MAINTENANCE AND MINOR REPAIR 2. Clean the surface of the spark plug gasket and its mating surface, and then wipe off any grime from the spark plug threads. 3. Install the spark plug with the spark plug wrench, and then tighten it to the specified torque. Tightening torque: Spark plug: 17.5 Nm (1.75 m·kgf, 12.7 ft·lbf) EAU19672 EAU19903 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. To check the engine oil level 1. 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. 2. Start the engine, warm it up for several minutes, and then turn it off. 3. Wait a few minutes until the oil settles, and then check the oil level through the check window located at the bottom-right side of the crankcase. NOTE: If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/4-1/2 turn past finger tight. However, the spark plug should be tightened to the specified torque as soon as possible. 4. Install the spark plug cap. This model is equipped with a canister to prevent the discharging of fuel vapor into the atmosphere. G Check each hose connection. G Check each hose and canister for cracks or damage. Replace if damaged. G Make sure the vent hose is not blocked. Clean it if necessary. 7 7-12
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