Yamaha R1 2023 Fuel tank breather hose and overflow hose

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 For U49 models

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  1. Fuel tank overflow hose
  2. Fuel tank breather hose
  3. White mark

For California

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  1. Fuel tank overflow hose
  2. White mark

The breather hose prevents a vacuum condition from forming within the fuel tank.

The overflow hose drains excess gasoline and directs it safely away from the vehicle.

Before operating the vehicle:

  • check each hose connection.
  • check each hose for damage.
  • confirm the end of each hose is not blocked.
  • confirm each hose is positioned as shown.

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