What Impeller Key should I use? - 1977 Johnson 70 hp 70EL77S

[macburner]

Engine - 1977 Johnson 70 hp 70EL77S

I purchased Part - 18-3053-1 - Impeller OMC 396725, 432954

- I think got the wrong one
- I think the existing is still in good shape :rolleyes:

 

[racerone]

You have an impeller for a newer motor.----Go back to dealer and exchange for correct parts.

 

[macburner]

thanks!