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!! GENUINE LIFAN 4 Stroke 140cc ENGINE. Type: 1-cylinder, horizontal, 4-stroke, oil-cooled kick start, Gear: N1234. Bore x Stroke: 55mm x 59mm. Power & Corresponding Speed: 8kw(7500±375). Torque & Corresponding Speed: 9.5N. 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. Dimension: 470 x 275 x 280mm. Cylinder head silver, cylinder black, crankcase steel gray. 1 x LIFAN 140CC ENGINE. 1 x Kick Starter Lever. 1 x Gear Shift Lever. 1 x Manifold set Package 1x Carburetor 1x Air Filter 1x Wire harness. 1x Exhaust + muffler. 1x 428 140 chain. 56T 52mm REAR sprocket. The item “Lifan 140cc Engine Motor Full Kit for Dirt Pit Trail Bike Honda CT70 CRF50 CT90″ is in sale since Sunday, September 13, 2020. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Complete Engines”. The seller is “lifang_motorparts” and is located in Garland, Texas. This item can be shipped worldwide.
- UPC: Does not apply
- Start Mode: Kick Start
- Clutch: Manual
- Type: Single cylinder, horizontal, 4-stroke,oil cooled
- Max. Torque & Corresponding Speed: 9.5N.M(5000±250)
- Ignition: CDI
- Bore x Stroke: 55mm x 59mm
- Manufacturer Part Number: Does Not Apply
- Engine Oil: 900ml, 15W/40-SE, 4 stroke
- Gear: 4 Speed, N-1-2-3-4
- Max. Power & Corresponding Speed: 8kw(7500±375)
- Sprocket: 15T 428 17mm
- Displacement: 140cc
- Placement on Vehicle: Right
- Brand: Lifan
- Warranty: Yes