With TF3 performance package. 4-cycle only. www.Trufuel4.com. TruAdvantage. Minimum octane rating 92. No ethanol. Convenience. Engineered formulation provides worry-free long-term storage. Does not degrade/oxidize like typical gasoline. Trufuel will perform when you need it. TF3 Performance Package: 1. Powerful Detergent: Prevents deposits; cleans fuel system. 2. Friction Modifier: Lubricates engine parts; improves fuel economy. 3. Stabilizer: Prevents corrosion; extends shelf life. Protection. No ethanol means less wear and tear on internal engine parts, preventing downtime and costly repairs. Trufuel is highly recommended for the proper break-in of your new equipment. For maximum protection use Trublend 4-Cycle Engine Oil. Cleaner burning/benzene free. Please recycle.