Brand Story: Welcome to Paddsun Gas Chain Saw – where quality meets performance in every product we offer. With a commitment to excellence, innovation, and reliability, we strive to provide you with top-of-the-line equipment to meet your needs efficiently and effectively. Product Story: Introducing our Paddsun 25.4cc Gas Top Handle Chainsaw with a 12'' Bar Chain, the ultimate tool for cutting trees and wood with ease. Designed for durability and performance, this chainsaw is perfect for both personal and professional use. Product Function Detailed Explanation: Equipped with a powerful 900W engine that boasts 1.2 HP horsepower, our chainsaw delivers reliable and fuel-efficient power to tackle any cutting task. The anti-kickback and anti-vibration handle ensure safe and comfortable operation, while the chain brake provides added security during use. Specification Information and Usage Instructions: - Color: Orange - Type: Chainsaw - Material: Plastic, Steel - Name: 2500 Chainsaw - Power Source: Gasoline - Engine Type: Air-cooled single cylinder 2-Stroke - Power: 900W - Bar Length: 12" - Engine Size: 25.4 CC - Displacement: 25.4CC - Oil Tank Capacity: 160ml - Fuel Tank Capacity: 230ml - Engine Speed: 3000R/min - Product Weight: about 8.2 lbs. - Fuel Ratio: 1 Engine Oil: 25 Gasoline - Guide Bar Chain Size: 12'' 3/8''LP 0.050'' 45DL - Ignition System: C.D.I Included Accessories: - 1x Gasoline Chainsaw - 1x Guide Bar - 1x Guide Bar Cover - 1x Chain - 1x Empty Oil/Mix Box (for 25:1 ratio) - 1x User manual - 1x Toolkit (As shown in the figure) Additional Information: This chainsaw requires assembly and comes with essential accessories including a fuel mix-bottle, guide bar cover, toolkit, and 12'' bar chain for your convenience. Please read the user manual carefully before use to ensure proper operation and maintenance of the equipment. For any questions or concerns, feel free to contact us for assistance. Shop confidently with Paddsun and experience the difference in quality and performance with our 25.4cc Gas Top Handle Chainsaw. Frequently Asked Questions Q1: The chain tensioner does not work. A: Install the brake cover first. Align the guide bar slot with the tension pin, then adjust the screw. Do not force it. Q2: The saw stalls under load and shuts down when releasing throttle. A: 1. Avoid over-tightening the chain 2. Mix fuel strictly at 25:1 (gasoline: 2-stroke oil) 3. Clean the air filter Q3: Too much oil sprays from the guide bar; oil adjustment screw loosens easily. A: 1. Check if the oil pump screw and oil tube are secured 2. Do not run the saw at high idle for a long time Q4: The saw stops cutting and shuts down after about 20 minutes. A: 1. Confirm the 25:1 fuel ratio, do not use pure gasoline 2. Check if the chain blades are dull 3. Let the engine cool down periodically during continuous use 4. Follow official assembly operation videos Q5: The chain jams and is overly tight while cutting. A: 1. Readjust chain tension to leave proper clearance 2. Ensure the chain meshes correctly with the sprocket 3. Make sure the chain brake is released Q6: Heavy smoke comes out when starting and cannot cut normally. A: 1. Release the locked chain brake 2. Check the fuel mixture; excess oil causes heavy smoke 3. Clear carbon buildup on the exhaust port Q7: New saw cannot rotate the chain after adding fuel and oil. A: New units are shipped with chain brake engaged. Please release the chain brake before use. WARNING: This product can expose you to chemicals including engine exhaust, which is known to the State of California to cause cancer and birth defects or other reproductive harm.