The Mc21 is about done and I need to know what plugs i should be running. When i went to pick up a set of NGK's today, all they had were the BR8ECM. Is this plug too hot to run? Should i have him order me a set of the BR9ECM or the BR10ECM? Also what plug gap should i been running?
Thanks
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92 NSR250 SE
91 Ducati 900ss
03 Buell XB9S
06 HD StreetRod
76 Yamaha RD400 (TZ Bodywork)
Custom Bobber
01 Yamaha WR250F


Last edited by Rabbit1445 on Sun Jun 03, 2007 2:27 am; edited 1 time in total