PERIODIC MAINTENANCE AND ADJUSTMENT7-47NO. ITEM ROUTINE Afterbreak-inEveryraceEverythird raceEveryfifth raceAsrequired√√√13 * Carburetor • Check carburetor settings and for obstructions. √• Adjust and clean. √14 Spark plug• Check condition.• Clean and regap. √• Replace. √15 Drive chain• Check chain slack, alignment and condition.• Adjust and thoroughly lubricate chain with Yamahachain and cable lube or equivalent.√√√√√• Replace. √16 **Cooling system• Check coolant level and for leakage. √√• Check hoses for cracks or damage. √• Check radiator cap spring operation. √• Change coolant. Every 2 years √17 * Chassis fasteners • Check all chassis fitting and fasteners.• Correct or tighten if necessary. √18 Air filter element • Clean. √• Replace. √19 * Frame • Clean and check for damage. √20 * Fuel line • Clean and check for leakage. √ √U1SN81E0.book Page 4 Tuesday, June 12, 2012 3:17 PM