P-200 that pings
by: John (bos-140-186-102-47.dialup.crocker.net) on May 30, 2000 at 21:36:19
I have a 1979 P-200E completely stock that runs just fine but after it has been running for about a half hour begins to ping going up any kind of a grade. This doesn't affect it's performance at all but the noise is unnurving. I use ninety four octane gas in this scooter if that helps. Also the scooter is completely stock and has never been rebuilt. It has four thousand miles on it. I have removed the head over the winter and there is no build up of carbon? Any help would be appreciated.
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