pestbry Posted March 13, 2010 Report Share Posted March 13, 2010 Any one help me here please, my yamaha bigbear keeps burning out the plugs i have been told to use a dr8es plug ? the dr8ea plugs don't last after an outing really. Any one know why they burn out so fast ? Cheers all Bry Quote Link to comment Share on other sites More sharing options...
wils Posted March 13, 2010 Report Share Posted March 13, 2010 I'm no expert but it could be that the carburettor is not set correctly/needs a thorough clean. I think its sounds like its running lean (Hot) and therefore burning out. If it was rich it would be getting charred up. Im sure someone else on here is more knowledgable than I am but might be worth a look... Quote Link to comment Share on other sites More sharing options...
webber Posted March 13, 2010 Report Share Posted March 13, 2010 This may help. webber http://www.jdmlevin.com/files/SparkPlugConditions.jpg Quote Link to comment Share on other sites More sharing options...
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