Uploaded September 2025 | Updated September 2026, 1 week ago

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The inside story of Guy's attempt to break the motorcycle land speed record: his fastest and most dangerous speed challenge to date. Can he become the first man to do 400mph on a motorcycle?

#GuyMartin #fastestmotorcycle


Welcome to the only official Guy Martin Proper YouTube channel. Make yourself a cup of tea or twenty & follow every race, every build and every country Guy visits. Fair play.

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