Suzuki DF200/DF225/DF250 V6 4-Stroke Outboards Service Manual, Page 352Get this manual
LOWER UNIT
# Make sure that all parts used in assembly are clean and lubricated It is recommended that all seals, gaskets and O-rings be replaced with new on assembly After assembly, check parts for tightness and smoothness of operation Before final assembly, be absolutely certain that all gear contact, shim adjustments and tolerances are correctFailure to correctly adjust these areas will result in lower unit damage(See "GEARS SHIMMING AND ADJUSTMENT" section on page 9-26