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Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 15263
Experience:  Certified on Onan and Generac generators
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I have a subaru 7.5 horse robin engine it was on a generator

Customer Question

I have a subaru 7.5 horse robin engine it was on a generator and i want to use it on a air compressor the existing shaft output is conical wondering if their is a keyed replacement shaft for it also not sure how to get shaft out as it is attatched to the crank
JA: What's the make and model of the generator? And can you guesstimate how old it is?
Customer: the robyin engine is a ey28 not sure how old the generator is but the engine is very pritine when opened up
JA: Do you plan on doing the work yourself?
Customer: yes i do
JA: Anything else we should know to help you best?
Customer: no just about all i know about the engine i got it running cleaned carb etc runs great
Submitted: 1 month ago.
Category: Small Engine
Expert:  Hank F. replied 1 month ago.
Hello, my name is ***** ***** I am going to assist you with this.
The output shaft is not attached to the crank - it IS the crank.
The only way to change it would be to install a new crank.