2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 104Get this manual
TOE-IN ADJUSTMENT Face
INSP ADJ
the handlebar straight aheadMeasure the width between the marksRotate the front tires 180 until the marks are exactly opposite one anotherMeasure the width between the marksCalculate the toe-in using the formula given belowToe-ini
the toe-in is incorrect, adjust it
3.Adjust: Toe-in