This Motor should fit the following models: Note: This is not a guarantee, if you are unsure, please check with your local dealer. HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50 /. We have not had a single problem with the engine. HIGH PERFORMANCE, 4 UP , ANY GEAR START, 140CC 4 STROKE 4 SPEED COMPLETE RACING ENGINE, a bolt-in replacement/ upgrade for the XR50/ CRF50. Horsepower is More than FOUR TIMES of stock CRF 50!! This motor is the Biggest that is being currently offered in the aftermarket industry! GENUINE LIFAN NOT KNOCKOFF!! Type: 1-cylinder, horizontal, 4-stroke, oil-cooled kick start, Gear: 1N234 Bore x Stroke: 56.5mm x 59mm Max. Power & Corresponding Speed: 9kw(7500±375) Max. Torque & Corresponding Speed: 11N. M(5000±250) Start Mode: kick start Compression: 9.0:1 Engine Oil: 900ml, 15W/40-SE, 4 stroke Oil GEARS: 4 SPEED MANUAL CLUTCH, 1N234 SPROCKET: 15T 428 CHAIN. Cylinder head and cylinder: silver. Dimensions: 470 x 260 x 210 mm. LISTING INCLUDING 1 x LIFAN 150CC ENGINE 1 x Kick Starter Lever 1 x Gear Shift Lever 1 x Manifold set Package. The item “Lifan 150cc Engine Motor Kit Replace 125cc 140cc Pit Bike Taotao Coolster XR50″ is in sale since Friday, January 22, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Complete Engines”. The seller is “tdpro99″ and is located in Dallas, Texas. This item can be shipped worldwide.

• UPC: Does not apply
• Manufacturer Part Number: Does not apply
• Brand: Unbranded/Generic
• Warranty: Yes