2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 109Get this manual

PRIMARY SHEAVE AND DRIVE V-BELT

INSPECTION 1Inspect: Spider Sliding sheave Fixed sheave Primary sheave cap CracksdamageReplace

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives