Suzuki DF25/DF30 Four Stroke Service Manual, Page 239Get this manual
LOWER UNIT 10-15
DRIVESHAFTDRIVESHAFT BEARING HOUSING Pre-load Spring When installing the pre-load spring to the driveshaft, fit the end of spring into the notch on the thrust washer
Pre-load Spring Collar Place tab lock washer and plain thrust washer in spring collar 3, then slide pre-load spring collar on to driveshaft