2003 Yamaha YFM400FAR Kodiak Factory Service Manual, Page 457Get this manual
REAR BRAKE
CHECKING THE REAR BRAKE 1.Check: Brake drum Cracksdamage ReplaceG Splines Weardamage Replace
2.Check: Brake shoe plate Pivot pins Brake camshaft Bendscracksdamage ReplaceG Dust seal Weardamage Replace
3.Check: Brake shoes Brake shoe springs Cracksdamage Replace as setNOTE: When replacing the brake shoes, replace the brake shoe springs at the same time