Quote:
Originally Posted by viper1982
The electrode light between the original NGK spark plug that is 0.6 to 0.7 mm must be respected when placing them but equivalence in Iridium? Since I have observed that the Iridiums already bring another light between 1.1 mm electrodes
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I replaced my plugs in June with PFR7B NGK but since then above 2500rpm to 6000rpm I seem to get a stuttering in power.... do you think this will be the plugs or likely to be something else that I may have dislodged in the process of changing the plugs???
Also are these the best plugs for the classic?
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