NEW Genuine OEM Apex ATV Racing. You are purchasing a NEW 90cc Liquid Cooled engine bore=52mm x 42mm stroke = 89.9cc.You will need to choose the following option: 1. Race engine - will not support lights or electric start 2. Play engine - will support lights. Not included: Sprocket, Carburetor, Intake Manifold, Reed Valve Ass'y, Exhaust, Radiator Hose, spark plug, CDI. If you're looking for great deals on great parts, look no further. The item "NEW Genuine OEM Apex PRO MXR 90cc engine High Performance DRR 90 Rare Polaris 90" is in sale since Saturday, January 6, 2018. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "wcquads" and is located in Gilbert, Arizona. This item can be shipped worldwide.