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Spark plugs for dirt bikes
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Interesting, thanks for sharing
B9 EV is what I used to use on the 24MX4
They're very cold, for use with 12:1 & up compression on MX4 is 11:1)
Terry did have B9 EV a year ago
Paul Andrews who I respoect said dont buy expensive spark plugs but do change them every event!
NGK B8HVX is for racing (said Andy Z) who am I to dispute with him- short reach or B7HS for pottering around
NGK said use BR9EIX uprated version £15
approx cost of B9ES is £3.57 B9EG £5.95
Cheers j
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