bought new plug for piaggio nrg 50 ran fine 2 weeks then would:nt start,put old plug back in and away it went,swapped plug back to new one ,still no joy,now got champion plug as stated in handbook previous plugs were both bosch,anyon had this problem?
Champion plugs now have a bad name as I believe they are now made in China and are of inferior quality. Had trouble in the past in cars and never use them now.
Buy Bosch, NGK etc
pete fordham
December 2013
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