Quote:
Originally Posted by Pepperami
I have just changed my spark plug. EC200 2005. It had a B7 ES in it where as it says it should be a BR8 EG. The bike has been running great, starts easily even after an off. What is the difference and basically what should I do, Stick with what was in it or change to standard?
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The 7, 8, or 9 ect. denotes the heat range. If it is jetted correctly the 8 should work perfectly. Some try hotter or colder plugs to compensate for incorrect jetting but that practice is really not a good idea.