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Today was out on water and had a problem. I have a 18' searay w/ 135 hp black max. Everything was running great had been running for about 30 min and then started to lose rpm and power. I checked my gauges and my temp was all the way down and it normally runs at 160-170. Temp did come back up...
I have a 1990 searay bowrider 180. It is 135 HP Mercury black max outboard. I just purchased this it currently has a 5 1/4x19 pitch ss Mirage. First time out i'm getting 4200 RPM If I trim it out just right and about 42 miles an hour. WOT for this engine is 5000 to 5500 from what I...
