I noticed a tach issue the other day where it was going up to 4000rpm then dropping 300rpm if I raised the throttle. when at cruising speed the voltage was at 13.6. Is that too low?
Had the boat out and noticed I was about 3/4 throttle and it was reading 4000rpm. so I pinned it you could hear the engine gain rpm but the tach drops 300 rpm. Any ideas?
I was winterizing my outboard this weekend it was about 2 celsius and I had a bugger of a time trying to keep it running so I could spray in fogging oil. The strange part is with the fast idle up about a 1/4 to half way if I sprayed the top carb the engine would rev up to where I would expect it...