Yamaha TT-R50E Owner's Manual

Contents

PERIODIC MAINTENANCE AND MINOR REPAIR6-662. Clean the surface of the spark pluggasket and its mating surface, andthen wipe off any grime from thespark plug threads.3. Install the spark plug with thespark plug wrench, and then tight-en it to the specified torque.NOTE:If a torque wrench is not available wheninstalling a spark plug, a good estimateof the correct torque is 1/4–1/2 turnpast finger tight. However, the sparkplug should be tightened to the speci-fied torque as soon as possible.4. Install the spark plug cap.EAU39840Engine oilThe engine oil level should be checkedbefore each ride. In addition, the oilmust be changed at the intervals spec-ified in the periodic maintenance andlubrication chart.To check the engine oil level1. Place the motorcycle on a levelsurface and hold it in an upright po-sition.NOTE:Make sure that the motorcycle is posi-tioned straight up when checking the oillevel. A slight tilt to the side can result ina false reading.2. Start the engine, warm it up forseveral minutes, and then turn itoff.3. Wait a few minutes until the oil set-tles, remove the oil filler cap, wipethe dipstick clean, insert it backinto the oil filler hole (withoutscrewing it in), and then remove itagain to check the oil level.NOTE:The engine oil should be between theminimum and maximum level marks.4. If the engine oil is at or below theminimum level mark, add sufficientoil of the recommended type toraise it to the correct level.5. Insert the dipstick into the oil fillerhole, and then tighten the oil fillercap.Tightening torque:Spark plug:12.5 Nm (1.25 m·kgf, 9.0 ft·lbf) 1. Engine oil filler cap2. Dipstick3. Maximum level mark4. Minimum level mark