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Thread: Adding castor oil to premixed fuel
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Old 08-14-2015 | 03:48 AM
  #6  
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HHH
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Joined: Aug 2008
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From: Singapore
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I used castor oil from a pharmacy once and engine was gummed up with little brown balls after.

I have the nova 1N1 castor oil and works great.

Be careful what you add.
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