Yamaha R3 2021 Owner's Manual

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Periodic maintenance and adjustment7-37EAU48471TIPz From 19000 mi (31000 km) or 36 months, repeat the maintenance intervals starting from 7000 mi (11000 km) or 12months.z Items marked with an asterisk require special tools, data and technical skills, have a Yamaha dealer perform the ser-vice.EAU17582Periodic maintenance chart for the emission control systemNo. ITEM ROUTINEINITIAL ODOMETER READINGS600 mi(1000 km)or1 month4000 mi(6000 km)or6 months7000 mi(11000 km)or12 months10000 mi(16000 km)or18 months13000 mi(21000 km)or24 months16000 mi(26000 km)or30 months1 * Fuel line• Check fuel hoses for cracks ordamage.• Replace if necessary.√ √ √ √ √2 Spark plugs• Check condition.• Adjust gap and clean.• Replace at 7000 mi (11000 km) or12 months and thereafter every6000 mi (10000 km) or 12months.√ Replace. √ Replace. √3 * Valve clearance • Check and adjust valve clearancewhen engine is cold. Every 26600 mi (42000 km)4 * Crankcase breath-er system• Check breather hose for cracksor damage.• Replace if necessary.√ √ √ √ √5 * Fuel injection • Adjust synchronization. √ √ √ √ √