Thread: Spark plugs Yamaha 150 carbed
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Unread 04-19-2018, 07:55 PM
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spareparts spareparts is offline
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Join Date: Oct 2006
Location: Raleigh, NC
Posts: 6,192
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8s are one heat range colder than 7s, you'll be fine. If you are a doing a lot of trolling, the 7's may serve you better
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