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  • How To Fix Motorcycle Engine Knocking
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    MotorcyclesProduct HighlightsAsk AMSOILDirt Bike

    How To Fix Motorcycle Engine Knocking

    Your bike can automatically detune its engine, but there's an easy fix.
  • ILSAC GF-6, API SP & dexos: Making Sense of Motor Oil Specifications Play Video
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    Cars & TrucksIndustry NewsProductsPerformanceAsk AMSOIL

    ILSAC GF-6, API SP & dexos: Making Sense of Motor Oil Specifications

    AMSOIL synthetic motor oils meet or exceed the latest performance specifications.
  • Why Does My Engine Knock? 3 Possible Explanations.
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    Product HighlightsAsk AMSOILCars & Trucks

    Why Does My Engine Knock? 3 Possible Explanations.

    Do you hear an engine knocking sound when you hit the gas? It could be due to pre-ignition or detonation....

    • What Does Oil Viscosity Mean

    Oil viscosity is the measure of its resistance to flow. How quickly or slowly motor oil flows affects how well it protects your engine.

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