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Hi everyone i have a 400EX and i was just wondering if anyone has put any seafoam in there oil right before they changed it. I wouldnt think an oz or two for a twenty minute ride would hurt anything would it??
 

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This is from the Seafoam website.

"To clean built-up oil residues and contamination from the crank case, add 1½ oz. Sea Foam to each quart of engine oil. Sea Foam will slowly re-liquefy residues and suspend contaminants for easy removal. Change oil and replace filter when dirty."

Sea Foam | How to Use Sea Foam Motor Treatment
 

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This is from the Seafoam website.

"To clean built-up oil residues and contamination from the crank case, add 1½ oz. Sea Foam to each quart of engine oil. Sea Foam will slowly re-liquefy residues and suspend contaminants for easy removal. Change oil and replace filter when dirty."

Sea Foam | How to Use Sea Foam Motor Treatment
I made that link a sticky in the repair and maintenance. Thanks helmut
 

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