1998+ Mercury Mariner 25HP Bigfoot Service Manual, Page 365Get this manual
LOWER UNIT
GEAR HOUSING (Propeller Shaft) (2.42:1 Gear Ratio)
3.44 IN135MM TORPEDO DIA
44 46 45 55 54 53 43 67
1 73 52 69 70
LOWER UNIT
GEAR HOUSING (Propeller Shaft) (2.42:1 Gear Ratio)
3.44 IN135MM TORPEDO DIA
44 46 45 55 54 53 43 67
1 73 52 69 70