Re: 75 hp Johnson Stinger

[chinewalker]

Not sure where the different pistons & rods were used, but my 1980 Johnson Stinger 75 uses the same rods, pistons and crankshaft as the 70 of the same year. All the 49 cubers were the same bore & stroke. There might have been some changes as you moved into the Mod 50 and SST60 motors, but the stock service motors all used the same innards. Differences for the extra 5 ponies were usually in the area of minor porting, carb and cylinder head changes, again, depending on the years involved.