Tohatsu builds ALL 30hp and under Mercs, ALL nissans, and now owns Honda outboard division. So most large hp tohatsu's are actually Honda's. Now, are you totally confused?
I had that same unit in a 40hp dress, with standard gear case and 60 ecu. It was a beast. I had it on a 1552 weldbilt, it was stupid fast. Put it on a 556 edge, and it got faster. It finally burned a valve with a tad over 2400 hours on it. 97% of the run time at 100% throttle, hit the 6250 rpm rev limiter over 460 times, guardian shutdown on overheat over 360 times. That is a tough unit. I fished Lacassine and Sabine with it for 10 years, never had problems with the water system. They ALL get hot running in mud! At least the 4 strokes are idiot proof, they shut down before you can toast the powerhead.
They are "high" maintenance. I changed the water pump impeller ONCE in 10 years. Changed the oil, 3 qts of Valvoline full synthetic, and filter, $8.00 at WalMart, once a year. Never burned a drop of oil. They are a joy to operate, turn the key and go. Makes no difference if it's 20 below or 105 degrees, turn the key and go, no choke, no high idle, just like your truck. Mine pumped 25-27 pounds of water pressure at WOT, 4-5 pounds at idle. That's why I only changed the impeller once, the gauge doesn't lie.
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