Quote:
Originally Posted by mikeyk
I am currently running a 2013 Tohatsu 90 TLDI in my commercial skiff. It replaced a 2003 Nissan (aka Tohatsu) 70 TLDI which developed a top-end knock at around 3500 hrs. Both motors got worked hard and put away wet, but never experienced corrosion issues. No gearcase problems, changed impellers annually. The 90 however had FI air compressor problems at 2400 hrs. which I blame on human error on the assembly line - nut securing drive sprocket loosened and stripped threads on crankshaft. When the 90 wears out, I'll probably replace it with a 4 stroke. The cumulative cost of 2 stroke oil was pretty much the same as the additional price of finance charges on a new 4 stroke. These engines require a big battery to turn them over cold. A group 27 is barely adequate. They need about 1000 cranking amps.
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I'm running a group 24 Interstate on my F225 Yamaha, 800cca, 1000 mca and it cranks just fine.