2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 303Get this manual
STEERING SYSTEM Install
the new bearings
NOTE: Install the outside bearing first
CAUTION:
Do not strike the center race or balls of the bearingContact should be made only with the outer race Install
a new oil seal
NOTE: When installing the oil seals, the "seal side" of the oil seal faces out