2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 49Get this manual
PERIODIC MAINTENANCE
LOW PRESSURE FUEL FILTER
Inspect before every use Inspect every 50 hours (3 months) Replace every 400 hours or yearsIf leakage, cracks or other damage is found, replace the fuel filter1Low pressure fuel filter 1