1968 Evinrude Ski-Twin, Ski-Twin Electric 33 HP Outboards Service Manual, Page 49Get this manual
Make sure that the leaf valve seats against the leaf plate, and that the screens are not cloggedReassemble and instaH See Figure 5-26Check space between leaf and leaf stopBend leaf stop for proper clearance of .040" BREAK-IN
sure that when an engine is returned to service after an overhaul, the owner is advised to foHow break-in procedures exact1yFor the first 10 hours of operation, including break-in period, see inside front cover for the fuel mixture For the first to 10 minutes, operate engine at fast idleCheck operation of water and motor temperature frequentlyFor remainder offirsthour, do not operate engine over 3000 (approximate) one-ha1f throttle (approximate)NOTE