I have the 200ho (3.3 litre) and really enjoy the economy and performance.. Comparing to my friends with comparable 4 strokes, I out run and out gun them with just slightly better economy.
I average in the 3.4mpg when running for tuna, loaded heavy with a tote of salt ice, 4 guys and equipment and 35 gallon bait tank and sea conditions generally suck heading out 50 miles and pretty good coming in.
No oil changes, valve adj and lots of weight as 4 strokes.
My .02---go with the 175. You can always use less throttle, but can not push down any more if it is not available.
plus you do not have to work the bigger engine as hard as a smaller hp engine.
PS--get the I command gauge and the fly by wire--they will both pay for themselves down the road.
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 88 V-20
200 G2
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