2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 302Get this manual
STEERING SYSTEM
STEERING KNUCKLE REMOVAL 1.Remove: Steering knuckle NOTE: Use general puller to separate the ball joint and steering knuckle
TIE ROD INSPECTION 1.Check: Tie rod free play and movement Free play Replace the tie rod endTurns roughly Replace the tie rod end2.Inspect: Tie rod Bendsdamage Replace
STEERING KNUCKLE INSPECTION 1.Inspect: Steering knuckle Damagepitting Replace