2-cycle engines have a higher level of electrode wear this electrode wear is estimated ... occasionally to confirm the amount of electrode wear and judge when the best time is to ... with a v in the part number have a platinum tip welded to the ground electrode the ...
to replace spark plugs if the center electrode tip becomes worn into a rounded shape ... for ordinary plugs service lifetime for platinum plugs and and automobiles 15,000 to 20 ... range of an normal plug and generally electrodes that protrude into a combustion chamber ... combustion gases and because the ground electrode is longer heat resistance and ... automobile manufacturer if the center electrode has become rounded or worn only on its ... the spark gap of any plug with a fine electrode such as a platinum or iridium plug any ... adjustment may damage the center electrode service lifetime the service lifetime ...