Johnson Outboard 3hp 203149 277168 Piston Connecting Rod Set Rings JW-17 1961 75hp Any 4-cyl MerCruiser models (120

Any 4-cyl MerCruiser models (120 / 140 / 470) from 1983-1990 can safely used a housing stamped 42259 having only the 4-holes

but generally just found on the Pre-Alpha drives from 1964-1969 because of the brass spanner nut (but technically will work with all of them)

982337 986061 3853888 Distributor Gear

The edges are generally smooth as it looks like somebody went at the whole thing with a wire wheel

but because of the clutch plates and shaft

Johnson Outboard 3hp 203149 277168 Piston Connecting Rod Set Rings JW-17 1961 75hp Any 4-cyl MerCruiser models (120This is off a 1961 Johnson 3Hp Sea Horse Outboard Model JW 17 (serial# B53378) 2 Two Cylinder Cyl. 2 stroke Boat Motor. Item Condition and Notes: Please Inspect Pictures for condition Freshwater Used Parts Part #'s Included Pistons: 203149 376991 Connecting Rods: 277168 277301 Rings: 486277 Pin: 203151 Yours should look like this one. Please ask if you are unsure if this part will work for you. Please send model and serial number. You will receive