Fitment:MS390 MS290 MS310 029 039Type:ENGINE MOTORMPN:1127 020 1216,1127 020 1210Interaction Part:1127 020 1216Fitment:MS290 MS310 MS390 029 039,49mm cylinder bore size,give more power than 029,MS290 MS310 (Please refer to the compatibility chart for details)Description:-The highest after-sales warranty-Low cost,highest cost performance-Brand new, high quality, durable and easy to installPackage Included:1 set engine with piston and crankshaft as the photoPlease Note:Please check the old photo or model when you order. Incompatible models may cause installation failure or prevent your machine from working properly. If you are unsure about the product, please contact us for confirmation. We apologize for any inconvenience. Full money back guarantee if the product does not fit. For any questions, please contact us by clicking “ask a question” at the bottom of this page or by clicking “contact seller” in “purchase history”.