Hyundai 2 – Stroke 62cc Petrol Chainsaw, Hyundai bar and two chains: For the most efficient log cutting and long life. Anti-Kick-back safety brake: To reduce the likelihood of injuries from kick-backs. Automatic chain lubrication: For long chain and bar life. Easily accessible side mounted chain  tensioner. 62cc air cooled 2 – Stroke petrol engine.