2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 369Get this manual
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Install driveshaft oil seal housing on gearcase, then tighten oil seal housing to specified torque& Driveshaft oil seal housing: 100 Nm (10.0 kg-m, 72.5 lb-ft)09926-29310: Driveshaft housing remover