Honda GB30 Outboard Motor Manual., Page 30Get this manual
3, Loosen the thin mm nut, adjust plate set bolt, and adjust plate 18 hex bolts (four); t the chain adjust bolt counterclockwse for removal of the joint tube(Refer Figs5-3 and 5-4)
4Remove the 52# thrust washer (nylon) from the joint tube(Refer Fig5-5)
CReassembling
Reassembling is the reverse of disassembling
(Important)