I just bought a '93 SS-SL that came from sea level. I pulled the plugs because I wanted to check electrode color (bike has 41mm FCR Keihin flatslides and I am at 7200 MSL). Thought it might be running rich cuz of the alt diff. Threads on plugs were oily. What gives? NOrmal? Valve guides? Electrodes look gray, not rich.
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