Bear with me. this may get a little lengthy.
History: 90 model Evinrude 88SPL. Recently operated at sea level. seemed to operate well. Tach has been erratic, but battery has stayed charged through two separate weeks of daily use. Last week I was at 6000 feet. Engine would not pull skier as it...
e88 evinrude new tach seems to be right sometimes. I first installed a used tach that was eratic and then a new one. Sometimes at cruise goes to 7000 without changing engine rpm, sometimes goes to 0 RPM. Question: Where do I set the tach for this engine, 6P? Is the eratic indication possibly...
