Yamaha SR400 Owner's Manual

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Contents

Yamaha SR400 Owner's Manual Manual pdf 44 page image

PERIODIC MAINTENANCE AND ADJUSTMENT6-9123456789101112spark plug wrench, and then tight-en it to the specified torque.TIPIf 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.3. Install the spark plug cap.EAU59622Engine oil and oil filterelementThe engine oil level should be checkedbefore each ride. In addition, the oilmust be changed and the oil filter ele-ment replaced at the intervals specifiedin the periodic maintenance and lubri-cation chart.To check the engine oil level1. Start the engine, warm it up forseveral minutes, and then turn itoff.2. On a level surface, place the vehi-cle on the centerstand.3. Wait a few minutes until the oil set-tles. Remove the engine oil fillercap, wipe the dipstick clean, insertit back into the oil filler hole (with-out screwing it in), and then re-move it again to check the oil level.WARNING! Never remove theengine oil filler cap afterhigh-speed operation, other-wise hot engine oil could spoutout and cause damage or injury.Always let the engine oil cooldown sufficiently before remov-ing the oil filler cap.[EWA17640]TIPThe engine oil should be between theminimum and maximum level marks.4. If the engine oil is below the mini-mum level mark, add sufficient oilof the recommended type to raiseit to the correct level.5. Install the oil filler cap.Tightening torque:Spark plug:25 Nm (2.5 m·kgf, 18 ft·lbf)1. Engine oil filler cap2. Dipstick3. Maximum level mark4. Minimum level mark3412