I think some people thought the Y was a little large for tight creeks but with your size and doing steeper stuff that it could be a good match. The only way to know is to demo one and decide if it is right for you.
I like edgy creek boats with a more volume than I need for my weight. I only weigh like 175, 5'9. I think the Y is a great boat for smaller volume creeks, although I love the CFS better (now extinct). The Y is fast on edge and has great chines for carving in and out of eddy's and ferrying. Fred Z paddles his Y and i think he is a big fan. He runs some shiat in it.
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