Package Included 1 100cc 4-Stroke Gasoline Engine 1 Fuel Tank 1 Base Bracket 1 Exhaust Pipe 1 44 Tooth Chain 1 Chain Tensioner 1 Chain 1 Chain Guard 2 Fixed Iron Pieces 1 Spark Plug Tool 1 Fuel Line 1Fuel Tank Cap 1 Exhaust Cushion 1 Fuel Filter 1Fuel Valve 1 Chain Tension Adjusting Tool 1 English Manual Other Mounting Accessories. Full Set 100cc 4-stroke Bike Gas Engine Kit Bicycle Modified Motor Kit 3600rpm. Type: Forced Air Cooling, 4-Stroke, OHV, Single-cylinder, Inclined by 25 Degrees. Starting System: Recoil Start. Material: Aluminum, Iron, and Plastic. Fuel Tank Capacity: 1.6L/0.42gal. Oil Capacity: 0.4L/0.1gal. Stable Speed Unloaded: 3600rpm. Reduction Ratio: 1:1. Bore x Stroke: 56×40 mm. Compression Ratio: 7:1. Product Size: 28.53528cm/11.213.711in. Packing Size: 733425cm/28.7413.389.84in. Gross Weight: 21kg/46.29lbs. The high-quality aluminum, iron, and plastic material give it good hardness, wear. E, and durability, allowing for long-term use. This kit converts your bike into a motorized bicycle, with max. Speed of 3600rpm for great efficiency and convenience, allowing you to fully enjoy the fun of riding on your commute and short journeys. The 4-stroke engine is more stable, more reliable, and quieter than the 2-stroke engine. Also, the 56mm bore cylinder increases the bearing capacity, and reduces the working temperature, making it easier to start, while providing continuous output over a range of speeds. Brand New, With High Quality. 100cc 4-Stroke Gasoline Engine. Large Capacity Fuel Tank. Good Heat Dissipation Performance. We strongly recommend professional installation. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you place the order. Fits (As a Reference). For Beach Bikes with Large Triangular Frame Space. 1 100cc 4-Stroke Gasoline Engine. 1 44 Tooth Chain. 2 Fixed Iron Pieces. 1 Spark Plug Tool. 1 Chain Tension Adjusting Tool. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.