1972 Johnson 100 hp 100ESL72R

inunishi

Cadet
Thread starter
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Apr 3, 2017
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20
First boat. I had help removing the lower end to replace the water pump. My helper removed the impeller from the housing before I could see what direction the arms bent. Where can I find this information?
 

F_R

Honorary Supreme Mariner
Joined
Jul 7, 2006
Messages
28,226
Simple logic. The shaft rotates clockwise, looking down from the top. The impeller vanes trail behind. It wouldn't make sense for them to stick out ahead.
 

inunishi

Cadet
Thread starter
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Apr 3, 2017
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20
Thank you for your help. I did not know the shaft was clockwise
 

Bosunsmate

Admiral
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Apr 7, 2012
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6,135
If you get it wrong it doesnt really matter as the vanes will bend over and trail properly. You can put a touch of grease on the arms and then gently turn the motor clockwise by hand, ive never had an issue
 
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