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 /

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.

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!!)

Description

    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

Crankcase: steel gray

Dimensions: 470 x 260 x 210 mm

Weight: 17.5kg

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 CDI

1x Ignition Coil

1x Carburetor

1x Air Filter

1x Wire Harness

1x oil cooler

1x clutch lever with cable

1x kill switch

1x Exhaust and muffler

1x 428-41T-76mm sprocket

1x428 106 links chain