1GM impeller

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Fred

What would cause the brass bushing to separate from the rubber impeller? (normal wear, defective impeller, shark's tooth?) We have a Yanmar 1GM in our '81 H27. The impeller is 9 months old. I start the engine at least once a week and it never operates in a sandy area
 
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Keith Fawcett

Yamar had Quality Control Problems

Hey, I am afraid I think that Yamar parts had a quality control problem. Saw it somewhere on the web. I had the same problem. They say that they are tightening up on thier controls. Cheers, Keith
 
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Paul

Same here

Yep, I've experienced this as well (two impellers in two weeks). Make certain to carry a spare!!
 
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