Ski-Doo New OEM Trailering Cover, 860201388 The all new strap-less snowmobile trailering cover that clips on to the tunnel intuitively with clips. Repels water and snow. Gas cap opening. Fits: Rev-XP, MXZ (Sport), Renegade (Sport), Summit (Sport) + Replaces prior part number 28000039, 280000473, and 280000568