Fits MXZ, Renegade, Summit, Backcountry (2017-2025). High-volume modern 850 platform. Remanufactured engine listing for Ski-Doo 850 E-TEC applications. THIS IS A PREORDER FOR NEW MOTORS. PRICE $4299.99 plus tax and shipping. There will be a prepaid return label included inside your box, if you return your current core in good condition you will be credited $300 once inspected. Email for more details. Return your rebuildable core within 30 days to receive a $300 refund. Core must be rebuildable. Return Label Included!! .uew-info-btn { display: inline-block; background: linear-gradient(135deg, #0b1f3a, #102a4d); color: #fff !important; padding: 12px 20px; border-radius: 10px; text-decoration: none; font-weight: 700; font-size: 14px; letter-spacing: 0.4px; box-shadow: 0 4px 14px rgba(0,0,0,0.35); transition: all 0.25s ease; border: 1px solid rgba(255,255,255,0.08); } .uew-info-btn:hover { background: linear-gradient(135deg, #133a6b, #1c4f8f); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.5); } ℹ️ More Information