Yamaha YG6600DH Owners Manual - Page 30

AE00401 PERIODIC MAINTENANCE AE00403 MAINTENANCE CHART Regular maintenance is most important for best performance and safe operation. w Stop the engine before starting maintenance work. No. Item Remarks Pre-Ope- Initial ration check 1 month (daily) or 20 Hr Every 3 6 12 months months months or 50 Hr or 100 Hr or 300 Hr Check condition. 1. *S*park Plug Adjust gap and clean. Replace if 0 necessary. 2.* *V*alve Clearance Check and adjust when engine is 0 cold. Check breather 3.* C**rankcase breather system hose for cracks or damage. Replace 0 if necessary. 4.* I*d*le speed Check and adjust engine idle speed. 0 Check for leakage. Retighten or *replace gasket 0 5. *E*xhaust System if necessary. Check muffler screen and spark arrester. Clean/ 0 replace if necessary. Check oil level 0 6. Engine Oil Replace 0 0 7. *A*ir Filter Clean. Replace if 0 necessary. Clean fuel cock 8. Fuel Filter and fuel tank filter. Replace if 0 necessary. * : It is recommended that these items be serviced by a Yamaha dealer. ** : Related to emission control system. - 25 -