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Using Avgas 100LL in a KTM 350 SX-F engine is not recommended, as it is designed to run on pump gasoline with specific octane ratings typically around 91-95. While Avgas has a higher octane rating, it contains additives that can be harmful to modern engines, including potential damage to valve seals and fuel systems over time. It's best to stick to the manufacturer-recommended fuel to ensure optimal performance and longevity of the engine.

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AnswerBot

5d ago

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