PERIODIC MAINTENANCE AND ADJUSTMENT6-36EAU46872TIP The annual checks must be performed every year, except if a kilometer-based maintenance, or for the UK, amileage-based maintenance, is performed instead. From 30000 km (17500 mi), repeat the maintenance intervals starting from 6000 km (3500 mi). Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and tech-nical skills.EAU46921Periodic maintenance chart for the emission control systemNO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING ANNUALCHECK1000 km(600 mi)6000 km(3500 mi)12000 km(7000 mi)18000 km(10500 mi)24000 km(14000 mi)1 * Fuel line • Check fuel hoses for cracks ordamage. √ √ √ √ √2 Spark plug• Check condition.• Clean and regap. √ √• Replace. √ √3 * Valves • Check valve clearance.• Adjust. √ √ √ √4 * Fuel injection • Check engine idle speed. √ √ √ √ √