2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 382Get this manual
LOWER UNIT
RECHECKING GEAR BACKLASH (Reverse gear back-up shim adjustment) 1After adjusting forward gear tooth contact pattern, correctly assemble propeller shaft, housing assembly, reverse gear and related components(See page 9-17 to 9-19 2Thread slide hammer assembly onto propeller shaft and strike few gentle outward taps" 09930-30161: Propeller shaft remover 09930-30104: Sliding hammer A