---

Sounds like you need a ski pylon or ski tow unit.
This is only example as you need one for your model.
http://www.premiumpowersports.com/Swi...p-143.html

And by the way, you have a Montauk 170, not a Montauk 17....
http://www.whalercentral.com/userphot...lbum_id=34

The Montauk 170 was made from 2002 to present...