Chinese Scooter 49cc Engine Short case for dual shocks, 120mm output shaft

Upgrade your scooter’s engine with the Pitmoto Premium 49cc 4-stroke QMB139 Short Case Engine. This high-quality aftermarket replacement engine is designed to deliver excellent performance and durability. It has been hand-inspected and is EPA-approved for your peace of mind. The engine features a short crankcase version with a Black C.V.T. cover, making it compatible with a variety of scooter models. With a set-up for a drum brake and a PAIR Emissions System, this engine ensures smooth and efficient operation. The PAIR system helps to reduce emissions, making it environmentally friendly. It also includes a premium 669-18-30 Bando Drive Belt and NGK Spark Plug for optimal performance. Please note that the engine is shipped dry without oil in the crankcase. To ensure proper functioning, we include a liter of SAE 10W-40 Full Synthetic 4T Engine Oil for you to fill to the recommended level. At Pitmoto, we prioritize customer satisfaction. That’s why we offer fast shipping and hassle-free returns. Upgrade your scooter’s engine today with the Pitmoto Premium 49cc 4-stroke QMB139 Short Case Engine and experience improved performance and reliability. QMB139, 49cc 4-Stroke scooter engine. Short case version with Black C.V.T. cover. It’s important to note that the QMB139 engine comes in two sizes: shortcase or longcase version. If your scooter has 10-inch tires, then it uses a shortcase engine. If your scooter has a 12-inch tire or larger, it uses the longcase.  Another critical factor to confirm before you purchase is the rear output shaft. This shaft comes in two versions, a short 54mm, and a larger 120mm version. Generally, the more extended 120mm version is used on scooters with a rear swingarm bracket and dual shocks.  Specifications: Engine Size: 49ccPremium Quality, Hand Inspected, EPA Approved and QC VerifiedOutput Shaft Length: 120mm (for scooters with rear swingarm bracket and dual rear shocks)CVT Cover (short case): 15 7/8 inchesSet up for drum brakeSet Up for PAIR Emissions System (EPA Approved)69mm Valves8 Pole A/C Stator with 3-wire plugPremium 669-18-30 Bando Drive Belt & NGK Spark PlugEngine Oil: 0.8 LitersGear Oil: 0.12 Liters (filling) and 0.10 Liters (changing) • The engine is shipped dry with no oil in the crankcase. We include a liter of SAE 10W-40 Full Synthetic 4T Engine Oil, API SN, JASO MA2 | Ultra1Plus™. Please do not run the engine without replacing the crankcase oil and filling it to the proper level.   Important Parts Notice: Not all replacement or upgrade parts have instructions. It is the customer’s responsibility to have common knowledge of the installation or hire an experienced installer. We are not responsible for any damage caused by any of the items we sell, whether installed by you or a professional. We are not required to provide step-by-step instructions or technical support. However, we will always do our best to help you with any technical questions. Brand: Pitmoto Vehicle Type: Mini Bike Manufacturer Part Number: 88601275