2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 333Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 333

INTRODUCTIONPERIODIC MAINTENANCE CHART FOR THE EMISSION CONTROL SYSTEM INSP ADJ PERIODIC INSPECTION AND ADJUSTMENT INTRODUCTION
FOR THE EMISSION CONTROL SYSTEM Item Remarks Pre-operation check (Daily) Initial month or 800 km (500 mi) (40 hr) Every Seasonally
or 4,000 km (2,500 mi) (200 hr) Spark plugs Check conditionAdjust gap and cleanReplace if necessaryCheck clearanceAdjust
clearance when engine is coldCheck breather hose for cracks or damageReplace if necessaryCheck conditionReplace if necessaryCheck
fuel hose for cracks or damageReplace if necessaryCheck and adjust engine idle speedAdjust synchronizationCheck for leakageTighten