2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 204Get this manual

CRANKCASE

2Check: oil delivery pipe Cracksdamage Replace oil delivery pipe holes Clogged Blow out with compressed air
EBS00335

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