140cc 4-Stroke Single-Cylinder Horizontal Motor for Pit Dirt Bike

Specifications: - Type: Single-cylinder, horizontal, 4-stroke - Gear: 1N234 - Ignition: CDI - Displacement: 140cc - 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 starter - Compression: 9.0:1 - Engine Oil: 900ml, 15W/40-SE, 4 stroke - Oil Gears: 4-speed manual clutch, 1N234 - Sprocket: 15T 428 17mm

Fits (For the reference) for 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. Please note this is not a guarantee. If you are unsure, please ask your local dealer.

Package includes: - 1 x 140CC ENGINE - 1 x Kick Starter Lever - 1 x Gear Shift Lever - 1 x Manifold set Package - 1 x Carburetor - 1 x CDI

140CC Dirt Bike features a single cylinder, 4-stroke engine with air cooling and a 4-speed manual clutch. The compression ratio is 9.0:1 and requires 900ml of 15W/40-SE, 4-stroke engine oil. The gear ratio is 4-speed manual clutch, 1N234.

This engine kit is suitable for 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.

The 140CC Pit Bike Engine offers strong power, with a max power of 8kw at 7500r/min±375r/min and max torque of 9.5N.M at 5000r/min±250r/min. It has an idle speed of 1500r/min and a minimum fuel consumption of ≤370g/kw.h. The ignition system is CDI.

The gear ratio for the 140CC Pit Bike Engine is 2.833/1.706/1.238/0.958, with a compression ratio of 9.0:1. The primary reduction ratio is 3.722 and it has a 4-speed transmission with manual clutch, 4 Up. The start mode is kick-starter.

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