Periodic maintenance and adjustment6-126To change the engine oil (with orwithout oil filter cartridge replace-ment)1. Place the vehicle on a level sur-face.2. Remove cowling A and B. (Seepage 6-9.)3. Start the engine, warm it up forseveral minutes, and then turn itoff.4. Place an oil pan under the engineto collect the used oil.5. Remove the engine oil filler cap,the engine oil drain bolt and itsgasket to drain the oil from thecrankcase.TIPSkip steps 6–8 if the oil filter cartridgeis not being replaced.6. Remove the oil filter cartridge withan oil filter wrench.TIPAn oil filter wrench is available at aYamaha dealer.7. Apply a thin coat of clean engineoil to the O-ring of the new oil filtercartridge.TIPMake sure that the O-ring is properlyseated.8. Install the new oil filter cartridgewith an oil filter wrench, and thentighten it to the specified torquewith a torque wrench.1. Engine oil filler cap2. O-ring211. Engine oil drain bolt2. Gasket1. Oil filter wrench2. Oil filter cartridge21111 221. O-ring