Suzuki DF200/DF225/DF250 V6 4-Stroke Outboards Service Manual, Page 192Get this manual
POWER UNIT
INSTALLATION
Installation is reverse order of removal with special attention to the following steps Clean sealing surfaces on cylinder heads and covers Remove oil, old sealant, and dust from sealing surfaces After cleaning, apply sealant to cylinder heads sealing surface area as shown in figure# 99000-31140: SUZUKI BOND "1207B"
Install new cylinder head cover gasket to head coverNOTE: Examine cylinder head cover gasket for damageAlways replace gasket with new one