Thread: Spark Plug Question ?
03-21-2009, 10:24 AM #1
Spark Plug Question ?
What spark plug do you guy's recommend for an 04' ultra 150
Not sure if it makes a difference but it has been converted to premix
03-21-2009, 10:48 AM #2
Ngk br9es is the recomended plug. You can use br8es if your having trouble fouling plugs but be careful its a hotter plug and can lead to detonation.
03-21-2009, 10:50 AM #3
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