Robust and Durable – The housing is made of high-quality aluminum, which is robust, wear-resistant, scratch-resistant, and rust-proof to ensure long service life. Specifications – Displacement: 49CC. Stroke: 2-stroke. Start Way: Pull Start. Cooling: Air Forced Cooling. Sprocket Size: 6 Teeth Fit 25H Chain. Air Filter – It is equipped with an air filter that effectively prevents impurities from entering the cylinder and avoids running faults. Good Heat Disation – It adopts an efficient cold air cooling system to ensure good heat disation which ensures stability over long periods of running. Applicable Models – For 49CC 2 Stroke Pocket Bike, Mini Dirt Bike, ATV or Scooter.Product Description SpecificationsMaterial: AluminumColor: RedApplicable Models: For 49CC 2 Stroke Pocket Bike, Mini Dirt Bike, ATV or Scooter.Cylinder Numbers: Single CylinderStroke: 2 StrokeDisplacement: 49 CCStart Way: Pull StartCooling: Air Forced CoolingSprocket Size: 6 Teeth Fit 25H ChainNoise Level: Sound