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Old 06-22-2013, 09:43 PM
wed68 wed68 is offline
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Join Date: Jan 2011
Location: Sulphur, Louisiana
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Buddy of mine just had the same issue with a yamaha 150 , after doing everything you did he pulled the heads and cleaned out all the water passages and has not had a problem since. I am a huge yamaha fan but apparently this is a flaw on yamahas. Hope this helps
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