Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 368Get this manual
Oil Injection Pump Oil Pump Removal
1Disconnect and plug inlel hose to oil pump
Worm Bushing
Worm Bushing Removal
1Grasp bushing and remove from oil pumpNOTE: If seal is defectiveseal and bushing are replaced as an assembly
2Disconnect outlet hose on oil pump3Disconnect li nk arm from oil pump injection arm4Remove two bolts securing oil pump to powerhead and remove pump
aBushing