2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 35Get this manual
PERIODIC MAINTENANCE
(3) Screw new filter on by hand until filter O-ring contacts the mounting surface(4) Tighten filter 34 turn from point of contact with mounting surface using an oil filter wrench" Engine oil filter: 14 Nm (1.4 kg-m, 10.0 lb-ft), 34 turn (5) Install STBD side cover