Yamaha YZ250X 2022 Owner's Service Manual

MAINTENANCE INTERVALS3-210 * Rotor nut (flywheelmagneto)• Tighten.  11 * Kickstarter system • Check idle gear for damage.• Replace if necessary. 12 * Exhaust system• Check exhaust pipe and mufflerfor carbon deposits.  • Clean. 13 * Crankshaft• Check crankshaft for carbondeposits and damage.  • Clean.  14 * Carburetor• Check carburetor settings and forobstructions.  • Adjust and clean.  15 Spark plug• Check condition.• Clean and regap.  • Replace. 16 * Drive chain• Check chain slack, alignment andcondition.• Adjust and thoroughly lubricatechain with Yamaha chain andcable lube or equivalent. • Replace. 17 * Cooling system• Check coolant level and for leak-age.  • Check hoses for cracks or dam-age. • Check radiator cap spring opera-tion. • Change coolant. Every 2 years 18 * Chassis fasteners• Check all chassis fitting and fas-teners.• Correct or tighten if necessary. 19 Air filter element• Clean.  • Replace. 20 * Frame • Clean and check for damage.  21 * Fuel line • Clean and check for leakage.  22 * Brakes• Adjust lever position and pedalposition.• Lubricate pivot points.• Check brake disk surface.• Check fluid level and for leakage.• Tighten brake disk bolts, caliperbolts, master cylinder bolts andunion bolts. • Replace brake pads. • Replace brake fluid. Every year No. Item Routine Afterbreak-inEveryrace(about 2.5hours)Everythird race(about 7.5hours)Everyfifth race(about 12.5hours)Asrequired