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Old 02-24-2008, 08:24 PM
g dirt g dirt is offline
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Join Date: Feb 2008
Location: Orillia, Ontario
Posts: 3
Default 07 GG300EC - small hole at btm. of engine?

What is the small threaded hole for on the underside of the engine? It is located between the oil drain plug and the crankcase drain plug.

Also what is an approved sparkplug by NGK or Champion that is equal to the denso plug that comes stock on the 300?
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