Dave, We have a 2004 Triumph 170 Bass. This model is no longer produced and has a single side console. It has the same hull as all the other 170's. Our model has two livewells, and between the two of them, can carry 25 gallons of water and bait. We use our boat in many shallow water situations and I was concerned with weight, especially with the livewells full. I took a page from the flats fisherman's playbook and decided to go with the Yamaha 70 two stroke. It weighs well over 100 pounds less than the Yamaha 75 Four stroke. It does not cause the stern to squat and is very quick in getting on plane. We replaced the prop with a stainless steel model and with 2 people in the boat we can easily break 40 miles per hour! Our kids tube, kneeboard, and wakeboard easily. I can pull my 200 pound brother up on waterskis from a deep water start. The engine is very economical on fuel and we are capable of some very long runs when fishing. One gallon of two stroke oil lasts more than a season using the boat most every weekend. The power to weight ratio of the 70 Yamaha two stroke is excellent for this 170 hull and I would recommend it highly. We are also happy with the smaller side console as it gives us a little more room for sidearm casting in this size boat. Mike
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