"ive heard amazing things about the 4stroke tohatsu"
Ditto that. I tested the 40/50 tohatsu 4 stroke, now I own one. I run it on a 1556, .100 gauge Ambush hull. The boat weighs right at 520 pounds. With 2 large deep cycle batteries, 82# thrust motorguide, one large start battery, fishing gear, and me, boat runs right at 42 mph. Add a 150 pound man and boat runs 39-40 consistently. The water pump puts out 25+ pounds at WOT. The gear ratio is a bit different than the old 2 strokes, it's a 2.08, I turn a 16 pitch stainless prop 6000 rpm.
As for maintenance, change the oil and filter once a year, 2.5 qts. oil.
The unit weighs 209 pounds.
The biggest advantage it has over the TLDI is displacement. The TLDI is a 42 ci motor, the 4 stroke is a 52.8ci motor. Not sure how good the water system is on the TLDI, but all the old tohatsu 2 strokes sucked bad when it came to pumping water. I have fished this motor in Lacassine since it opened this year, zero problems. I am a bit hard on outboards. I have videos of this motor when we tested the 1548 Ambush. We ran several props up to a 19 pitch turbo. We also ran a few cleavers, with a 4 blade 25 pitch cleaver, we ran 54.7 mph, couldn't lift the engine high enough to run the cleaver correctly. I guess you know by now, given the choice, I would go with the 4 stroke. The 5 year warranty ain't too bad either.
D
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