Suzuki DF200/DF225/DF250 V6 4-Stroke Outboards Service Manual, Page 45Get this manual
PERIODIC MAINTENANCE
OCV (Oil control valve) On the DF250 model, install gasket and OCV, and then tighten bolts securelyNOTE: Position the projection of OCV gasket as shown the right# Do not re-use OCV gasketAlways replace with new one" OCV bolt: 12 Nm (1.2 kg-m, 8.6 lb-ft)