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I have twin 2003 F225's with 200 hours and I think one is possessed. It will run fine to 3800, you can baby it up to 4000-4100 but anymore else and it will drop to 3200 or so and surge back and forth. We have replaced EVERY filter had injectors rebuilt and certified, had the VST cleaned 3x...
Does anyone have a wiring diagram for a 2002/3 F225 Yamaha or could at least tell me what the different colored fused leads are for and where they go? I am driving myself crazy trying to figure out what I should wire directly to the batteries and what to wire to the Perko switch (1,2,all,off) I...
I currently have 2 new batteries on an 1, 2, all, off selector switch. The engine Yamaha F225 will start on the 1 and all but not on the 2. The = on the engine is wired to the common on the selector. Do I need to jump the negatives on the two batteries???
Thanks for the help