2 Mercury 225 Optimax, both wont go over 2500 rpm
I bought a Proline 2950 w/dual Merc Optimax 225`s (1999) 0nly 140hours on both. Engines start, idle and shift with no problems. They will not go over 2500rpms and no alarms are sounding. If I take them out of gear they will easily reach 5,000rpms (since there is no load). I've had boat FOUR months and it has only run well three times. Two different Merc mechanics have tried to fix problems. Everything changed: fuel lines, thermostats, filters, plugs, wires, water separators; compression good, New batteries, charger,etc. Other odd thing is after starting and slowly going out temperature is normal (120-140) when it won't go over 2500 rpms the temp on gauges drops to 60. They basically are running like they are in guardian-mode. I've spent $1000's trying to find solution. Any ideas??? THANK YOU.
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