When I was looking up the values, I went by the fact that the trailer is slightly longer than the boat. So on my 204″ Cougar, I used the 21 trailer for value. Right or wrong, Im not sure but it will get you close.Jim EbarbMany, LA (Toledo Bend Lake)2004 Cougar/ 225 OptimaxHumminbird Helix 12 Chirp SI on BalzOut Mount at bowLowrance HDS 7 at bowHumminbird Helix 12 Mega SI on Ram Mount at ConsoleLowrance HDS 8 in dash at console
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