Tool error caused Spies? accident

Yamaha has revealed that a tool accidentally left in place on Ben Spies' bike caused the American's accident in the Portuguese Grand Prix. Spies was struggling from the outset as a tool used to temporarily block the fuel overflow pipe on the grid was not removed prior to the start, and was partially obstructing his brake lever

Source: http://www.iracing.com/inracingnews/other-news/motorcycles/motogp/tool-error-caused-spies-accident/

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