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View Full Version : Coils on a cbr 400rr



VasalineWarrior
31st December 2005, 00:24
Got a CBR 400rr that is giving me greif by not running well at high rpm (11,000 and above). It runs fine below this, but seems to have trouble running above this limit, and I can only describe the problem as ''surging'', which suggests to me that the ignition coils are breaking down under load in these operating conditions. Does this sound like a possible cause? Its been in the shop 3 times now, and its had plugs done, a carby tune and all the electrics looked at (alternator, battery, regulator etc) but so far no sucess, and im running out of things to check. Help anyone?:argh: