Periodic maintenance and adjustment7-37EAU71021TIP The annual checks must be performed every year, except if a distance-based maintenance is performed in-stead. 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.EAU71041Periodic 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.• Replace if necessary.√ √ √ √ √2 * Spark plug• Check condition.• Adjust gap and clean. √ √• Replace. √ √3 * Valve clearance • Check and adjust. √ √ √ √4 * Fuel injection • Check and adjust engine idlespeed. √ √ √ √ √ √5 * Exhaust system• Check for leakage.• Tighten if necessary.• Replace gasket if necessary.√ √ √ √ √6 * Evaporative emis-sion control system• Check control system for dam-age.• Replace if necessary.√ √