Need advice on purchase

[spareparts]

Originally Posted by Larryrsf

My factory-trained mechanic said the compression numbers should be within a few pounds of each other-- which is more important than the number itself. He declared my old Evinrude 150 in "new" or recently overhauled internal condition with compression just over 100# in ALL 6 Cylinders. If one had been several pounds lower, that would have indicated problems with rings or valves, etc.

Larry

what your factory trained mechanic told you is true, the % between the cylinders tell more than the actual numbers them selves. But when I see compression numbers on a 2 stroke so far out of range that they can't be realist, I usually call BS on the numbers