Honda GB40 Outboard Motor Manual., Page 28Get this manual
CReassembly 1Insert the joint tube the 48 rnrn back-up and 48 mm "0" ring this sequence(Fig58)
2Position the upper case hole, which the drive shaft runs, so it is in the same direction as the propellerInsert the assembly the joint and secure by four hex bolts with mm spring washers(Fig59)
3Reassembly the drive shaft is e
reverse the disassembly described in section 11(Do forget the seal packing)
4Reassemble the driven pulley and the upper case cap in reverse manner the disassembly described in section 4.B.6.9,