Suzuki DF200/DF225/DF250 V6 4-Stroke Outboards Service Manual, Page 364Get this manual
LOWER UNIT
FORWARD GEARPINION GEAR Follow the procedure below to adjust forward gearpinion gearStep to prior to adjustment 1Install standard pinion gear back-up shim thickness modified according to design specification mark on gear design specmark
2Correctly assemble driveshaft oil seal housing, driveshaft, forward gear, pinion gear and related components(See page 9-15 to 9-17 Do not install reverse gear at this time3Tighten pinion nut to specified torque& Pinion nut144 Nm (14.4 kg-m, 104 lb-ft)