mtaylor Posted November 23, 2011 Report Share Posted November 23, 2011 Currently running a Fantic 303 in the air cooled class but have developed a problem with spark plugs only lasting approx 25 sections, plug is a b8es, mix is 70-1 synthetic, no excessive smoke from exhaust, once replaced bike runs fine, anyone experienced the same ? all advice most welcome, Mike. Quote Link to comment Share on other sites More sharing options...
technowaldo Posted November 23, 2011 Report Share Posted November 23, 2011 try running on shell v power petrol and putoline 2 stroke .i had exactly the same problem on a cr250 and stopped using silkolene 2 stroke and normal unleaded and the problem dissapeared overnight Quote Link to comment Share on other sites More sharing options...
markthebiker Posted December 24, 2011 Report Share Posted December 24, 2011 Currently running a Fantic 303 in the air cooled class but have developed a problem with spark plugs only lasting approx 25 sections, plug is a b8es, mix is 70-1 synthetic, no excessive smoke from exhaust, once replaced bike runs fine, anyone experienced the same ? all advice most welcome, Mike. try a diferent grade of plug b7 or b6 Quote Link to comment Share on other sites More sharing options...
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