2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 15Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 15

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INTRODUCTIONPERIODIC MAINTENANCE TABLE
Remarks

Spark plugs Valves Engine oil

Check conditionAdjust gap and cleanReplace if necessaryCheck valve clearanceAdjust clearanc