Thread: Spark plugs Yamaha 150 carbed
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Unread 04-20-2018, 09:09 AM
steplift20 steplift20 is offline
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Join Date: Nov 2004
Location: Beautiful New Jersey the high taxes state
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These guys are a lot smarter than me about these things but what I would do is go with what is recommended for that engine Why you ask? Because when they build that engine it was designed to run on those plugs
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