125cc 4-stroke Pit bikes Dirt Bike Engine Motor with Manual Transmission Kick Start 50cc 70cc 110cc 125cc Dirtbikes
UPGRADE A POWERFUL ENGINE FOR YOU BELOVED BIKE!!!! Engine Mode: ZS154FMI-3
Engine Name: BS125
Engine Type: Singlecylinder,4-stroke,air-cooling,horizontal
Displacement(ml): 123.7
Dimension(mm*mm*mm): 457x313x352
Net Weight(kg): 23.5
Max.Power(kw.r.min): 6.2.(8500+-5%)
Max.Torque (N.m.r.min): 8.5*(7500+-5%)
Compression Ratio: 9.3: 1
Bore and Stroke(mm*mm): 54*54
Ignition method: CDI
Lubrication method: Pressure and Splash
Min.Fuel Consumption(g|Kw.h): is equal or lesser than 367
Starting method: Kick
Clutch method: Manual Wet Multi-Plate
Gearshift Method: Constant mesh, two stage transmission,4-speed Gearshift
Chosen model: standard model
Applicable Motorcycle Type: Cub-type motorcycles, cross-country vehicle for children, ATV

The quality engine system production complies with the requirements of ISO9001:2000. All the engines have passed the 200-hour enhanced durability bench test and the 20000 km road test. All engines have the identification, gears and oil labels. It also obtained the DOC authorization. You can purchase with confidence.

Product Features

• 125cc Pit Bikes Engine Motor. Top Quality Guaranteed.
  UPGRADE A POWERFUL ENGINE FOR YOU BELOVED BIKE!!!! Brand New 125cc high performance race engine. Upgrade your stock 50cc 70cc 110cc 125cc pit bike motorcycle, you can feel the power difference immediately. Ride faster, jump higher!!!! We offers with this engine of the newest generation all tuning & racing fans best quality and highest performance state-of-the-art!
• The engine comes with a high-quality cylinder head made from aluminum, a reinforced kick starter axle and extra large valves! Furthermore it comes with a high-quality 4-speed Gearshift! With 6.2 kW by 8500 rpm the engine reaches more than the triple performance of a standard CRF50 engine. Brand New High Quality Engine 125cc 4-stroke Dirt Bike Engine with Manual Transmission, Kick Start
• Compatible Vehicles:
  Engine Manual 125cc fits most Chinese made Dirt Bike 50cc 70cc 90cc 110cc 125cc. It is good idea if you like to either replace your old engine or upgrade your Pit Bike to be faster or more powerful.
• Compatible Models Such As: XR50, CRF50, Z50, XR 50 70, CRF 50, Blade, Kinroad, Roketa, KPX, SUNL, Aimex, Alpha sports, BMS, BMX, Cool Sports, Baja, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, KMD, Kymco, Lance, Linhai, NST, Redcat, Roketa, Tank, X-Treme, Yamati, Coolster, Terminator, Lynx etc. Note: This is not a guarantee, if you are unsure, please check with your local dealer.
  PLEASE NOTE: Please measure the physical size to be sure you get the correct one.
• This engine assembly comes with Start lever, Shift lever, Intake Pipe, Drive Sprocket, Sprocket cover & Spark Plug, but doesn’t come with Carburetor, Battery, CDI, Voltage Regulator, Ignition Coil etc. Best of all, it comes with High quality aluminum cylinder head and iron cylinder body.