R 1150 GS – R21

BMW R 1150 GS – R21 Workshop Data: Fluids, Plugs & Tires

September 12, 2026 by MotoLab_Chief

Engineering Highlight: The BMW R 1150 GS (R21) holds a unique place in motorcycling history as the first GS model to introduce the 6-speed gearbox,…

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Moto Specs Lab is a technical reference for factory specifications and maintenance procedures. Data is compiled from official and authoritative sources for use by owners, mechanics, and enthusiasts.

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