2003 Yamaha YFM400FAR Kodiak Factory Service Manual, Page 268Get this manual

FRONT BRAKE

CHECKING THE MASTER CYLINDER 1.Check: Brake master cylinder Wearscratches Replace the brake master cylinder assemblyG Brake master cylinder body Cracksdamage ReplaceG Brake fluid delivery passage (brake master cylinder body) Blockage Blow out with compressed air
2.Check: Front brake master cylinder reservoir Front brake master cylinder reservoir diaphragm Cracksdamage Replace

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