Best Oil for 400ex and plug
#1
Okay what is a good oil for a 400ex 2002 I have been using honda gn4 10/30. or should I use full synthetic?? CT racing recomends Redline or kendall but they don't mention if they are synthetic. spark plug Mickey Dunlap states DP9EA spark plug will make the engine run cooler he also says to use a lead additive to also make the engine run cooler. Please help thanks
2002 400 ex
ac nerfs
w/b slip on
w/b front bumper
k&n jet kit and filter
2002 400 ex
ac nerfs
w/b slip on
w/b front bumper
k&n jet kit and filter
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