November 23, 201114 yr 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.
November 23, 201114 yr 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
December 24, 201114 yr 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
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