Specification: Product name: Zongshen CB250-F air-cooled engine Stroke: 4 strokes Model: ZS172FMM-3A Start: Electric / Kick Dimensions: 303*324*429mm Ignition Method: CDI Maximum power: 14/8500 kw/r/min Cold Style: Air-cooled Maximum torque: 18/6500 N.m/r/min Cylinder NO.: 1 Cylinder Compression ratio: 9.25:1 Displacement (ml): 250cc Bore size and stroke: 72*61.4mm Net Weight: 32kg Warranty: 6 Months Place of Origin: Guangdong, China Feature: Chain drive: 7 piece toothed chain drive to ensure stale operation of the valve mechanism with less engine noise. High-power starter motor: the braking torque of starter motor up to 2.2N.M, which greatly improves the safety factor and protects the motor from damages by too much starting current, making the startup easier. Excellent performance: Large torque at low speed and excellent acceleration meet the needs of quick standing start and acceleration. Balance system: The single axle balance of the crankshaft is adopted to achieve a compact engine structure and reduce engine vibration. Clutch: More wear resistant and reliable FCC friction disc significantly extends the service life. Cylinder head appearance: The newly-designed integrated cylinder head provides a simple appearance. New heat engine structure: new oil passage in cylinder head ensure a more rational mechanism and reduced cylinder head noise.Roller valve arm: roller valve arm adopted to reduce the friction at the contact between Detailed Photos Packing & Delivery Our Building & Office Company Profile Guangzhou Bawo Trading Co., Ltd offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force. If you have any questions, please feel free to contact us. Awaiting your early and favorable inquiry. FAQ Q1. Why choose Bawo? A. Because of 3 points, First, We have 20 years experience which can share you the best goods with reasonable price. Second, We have more than 200 engineer who can match your demand of goods. The last, we have enough equipment and capacity to deal with your order quantity. Q2. How can you promise for quality? A. We have Quality Control Department, will 100% testing and inspecting the quality of products before leaving factory. Q3. How to ensure your engine is genuine? A. Our Engine and origin spare parts are from the original factory, each one has a special identification certification, and We only do long term business. Q4. What product do you have? A. We are product tricycle, engine, spare parts, and we also can provide motorcycle, tyre, and engine oil. Q5. When can I get the quotation? A. We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation.Please call us or tell us in your mail, so that we could regard your inquiry priority. Q6. How about after-sales service? A. We supply replacement parts, technical support and satisfactory after-sale service. Q7. Could I get the sample? A. Yes of couse, we are confident to share you sample which you will know it can help you win the market. Q8. Could I customize the product? A. Yes of couse, We really enjoy working with clients with ideas. Q9. What is your terms of payment? A. Our terms is 30% of deposit before production, then 70% of balance before shipment. Q10. How do you make our business