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I’m looking to buy or rent a Yamaha Winky Blinky diagntics light time use on my 2005 ox66 200hp. anyone have one they no longer use? I’m also curious if folks have had much luck with these correctly diagnosing their problems.

Good morning (AK time). I’m having mid to low RPM surging issuesw my 2005 Saltwater Series OX66 200hp. For the full story and diagnostics it’s all in the “OX66LP pumps” thread. HOWEVER, my current thought is the TPS. When I test resistance, w cylinder 1 disconnected and fully closed, I’m...

Ok. With everyone’s help, I’m getting this narrowed down. the primer bulb gets firm w low pressure fuel pumps attached. BUT when I loosen the bolts, the bulb goes soft and won’t firm back up after pumping and pumping. BUT I don’t see any external leaks. is this normal? With pumps loose, where...

Hello I'm about to bite the bullet and order a new OEM O2 sensor for my 2005 200 hp OX66 (Yamaha Saltwater Series II). All three of the big sites (boats.net, SimYamaha, and Crowley Marine) have similar prices. However, being in Alaska the shipping prices are similarly outrageous. Ok, I live...

Hello all So I am having a problem w my 2005 200hp OX66. I no longer can get above 4600 at WOT (used to be 5500) and my fuel consumption is even worse (now 17 gal/hr was 12 gal/hr). I suspected a stuck injector. So they were sent into Brucato FIS. he cleaned and recal to spec (they were ALL...