thought i was just dealing with e10 issues. i mixed 75 gallons e 10 with 25 gallons mtbe. going through 10 micron yamaha filters every 2 to 3 hours. bulb would be collapsed so assumed clogged filter. finally drained tank and started fresh with new e10 with ring free and stabil. same results. whenever i changed a filter it was always full of fuel inner and outer. seems like the clog might be ahead of that? pick-up maybe? boat is 2000 and always top maintained. never had any water in fuel/water sep. to speak of. lp fuel pumps, vst filter, engine mounted fillter all recently replaced. with collapsed bulb has to be before, right?
