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I am going off of memory and I think on the roll cage it reads to use 92 octane gasoline. My question - what happens to an engine when 89 octane is used?

Complications?
Performance?
Extreme internal issues for extended periods of use?

The reason I ask is I had to have my engine (450 rhino, 2006) rebuilt from the bottom up. So far no issues and I have been using 92 octain but have only about 4 hours on new rebuild.
 

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2009 Rhino 700, Hunters Edition
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I am going off of memory and I think on the roll cage it reads to use 92 octane gasoline. My question - what happens to an engine when 89 octane is used?

Complications?
Performance?
Extreme internal issues for extended periods of use?

The reason I ask is I had to have my engine (450 rhino, 2006) rebuilt from the bottom up. So far no issues and I have been using 92 octain but have only about 4 hours on new rebuild.
I have been running 89 octane in both my Rhino and Grizzly for years. No problems of any kind. That said, when I rebuilt the Rhino top end with a 10.75 to 1 piston, I switched to 91 octagon as recommended. Again, no problems.
 
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