injectors

Just purchased a 2002 SR 200 Bow Rider, 5.0 EFI from the original owner. Has 205hrs. back story: Sat for over 2yrs with half tank of fuel. I topped it off, added octane boost and ran it to 1/8th tank- very sluggish and wouldn’t get on plane. Replaced the fuel filter / separator, added injector...

After running a tank of gas with injector cleaner additive, the engine looses rpm. Description if issue: At idle, I go to 3/4 throttle and rpm climbs to 3200. I then go to full throttle and rpm drops to 2000 rpm. If I throttle back slightly the RPm's climb back up or if I quickly cycle the...

Port engine appears to run fine at the dock but will not power up under stress. Bogs down, loses power, and will not maintain RPM's. Currently 600 hrs. on engines. Replaced racors with no change. I'm planning to replace the secondary fuel filter next but I suspect I may have a bad injector or...