2017 Ski-Doo MXZ® TNT® ROTAX® 850 E-TEC® 129 Black Ripsaw 1.25 REV (G4) PRECISION FROM THE TRACK TO YOUR TRAIL Riding an MXZ TNT you'll crave Sunday afternoon trails – instead of avoiding them – thanks to its REV-X platform and unrivaled rMotion rear suspension. RMOTION 129 REAR SUSPENSION CAPABILITY, CONTROL AND COMFORT THE standard for control, ...