Heymow - Lawnmower Racing Forum
Engine Help => Honda and Clone Engines => Topic started by: meanmachine on May 20, 2013, 07:44:05 pm
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what make and size spark plug should a guy run in a 6.5 hp harbor freight clone hoz. engine this is for a racing cart on racing gas
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I dig NGK plugs, bought one for my old go kart with a 6.5HP 212cc predator, but I don't remember the part number on it, gimme a bit I'll rummage through my files. I save everything, so I should still have all that.
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NGK BPR4ES OR BPR2ES
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Autolite 3910X is what the Kart guys use. This is what we run in our MiniPro machines.
Tom
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NGK BPR4ES OR BPR2ES
why would you run a plug that hot. you want the right heat range for the engine and most of the time colder is better.
factory honda is ngk bpr5es or bpr6es
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HIGH COMPRESSION, COLDER PLUG. LOWER COMPRESSION, HOTTER PLUG.