(GENUINE LIFAN NOT KNOCKOFF!!)
Horsepower is More than FOUR TIMES of stock CRF 50!! This motor is the Biggest that is being currently offered in the
aftermarket industry!

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 / CS 90 / SL 90 / ZB 50 /

 Due to the fact that this is a racing engine, no warranty is expressed or implied. We have not had a single problem with the engine.

GENUINE LIFAN 4 Stroke 140cc ENGINE

Description

    Type: 1-cylinder, horizontal, 4-stroke, oil-cooled kick start, Gear: N1234
    Bore x Stroke: 55mm x 59mm
    Max. Power & Corresponding Speed: 8kw(7500±375)
    Max. Torque & Corresponding Speed: 9.5N.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
    Dimension: 470 x 275 x 280mm

Cylinder head silver, cylinder black, crankcase steel gray
 
LISTING INCLUDING

    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 Wiring harness
1x Kill switch
1X Oil cooler
1x skid plate
1x 428-41T-76mm sprocket
1x 428 chain
1x clutch lever
1x clutch cable
1x thottle grips w/ cable