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Your answers to frequently asked questions about Gumout® products and their use. If the answer to your performance additives question isn't below, contact us by email or by phone.
Yes, Gumout Multi-System Tune-Up is formulated for use in all types of engine, including including gas, ethanol and diesel. Gumout additives do not replace the oil used in 2-cycle fuel and Gumout 2-Cycle Oil (or another specified oil) must also be added at the recommended level.
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