2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 218Get this manual

CYLINDER HEADVALVE
CYLINDER HEAD ASSEMBLY
VALVE COTTERS INTAKE VALVE SPRING

SPRING RETAINER EXHAUST VALVE SPRING

SPRING SEAT

STEM SEAL

VALVE GUIDE

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