Suzuki DF25/DF30 Four Stroke Service Manual, Page 236Get this manual
10-12 LOWER UNIT
ASSEMBLYINSTALLATION
AssemblyInstallation are reverse of disassembly with special attention to following stepsSystem construction
1 Gearcase Bearing Bearing Drain plug Level plug Flush plug Gasket Sub water filter Trim tab Bolt Water filter Screw Driveshaft Washer Spring Thrust washer Washer Preload spring collar Circlip Barrier Back up shim Pinion gear Nut Push rod Shim Forward gear 18 N.m Thrust washer (1.8 kg.m, 13.0 lb-ft) Push pin Clutch dog shifter Dog pin Dog spring Return spring Propeller shaft Thrust washer Reverse gear ShimO-ringBearingPropeller shaft bearing housingBearing Oil seal Bolt Propeller bush stopper Propeller Spacer Washer Nut Cotter pin