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, 150CC 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: N1234 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, N1234 SPROCKET: 15T 428 CHAIN. Cylinder head and cylinder: silver. Dimensions: 470 x 260 x 210 mm. LISTING INCLUDING (All the parts includes to run this engine) 1 x LIFAN 150CC ENGINE 1 x Kick Starter Lever 1 x Gear Shift Lever 1 x Manifold set Package. 1x clutch lever with cable. 1x Exhaust and muffler. 1×428 106 links chain. 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 this country: US. This item can be shipped worldwide.
- Start Mode: kick start
- Transmission: Manual Clutch
- Type: Single cylinder ,horizontal, 4-stroke,oil-cooled
- Max. Torque & Corresponding Speed: 11N.M(5000±250)
- Ignition: CDI
- Compression: 9.0:1
- Bore x Stroke: 56.5mm x 59mm
- Engine Oil: 900ml, 15W/40-SE, 4 stroke
- Gear: 4 Speed, N-1-2-3-4
- Max. Power & Corresponding Speed: 9kw(7500±375)
- Displacement: 150cc
- Sprocket: 15T 428 17mm
- Brand: Lifan
- Warranty: Yes