Thanks for the reply. So far, I'm measuring on an uncalibrated wheel, and I don't have a tach--yet. I'll check the speed again using GPS.
I did take a closer look at the exhaust hose and it takes a steep climb up from
the exhaust pipe, over 2 feet, so the chances of any water backing up to the engine is negligible.
The carb hasn't been cleaned for at least 4 years (don't know if the PO cleaned it) so I will clean it ASAP.
thanks again
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