How The AMA Formula Xtreme Swingarm Rule Was Originally Worded In The 2004 Rulebook

How The AMA Formula Xtreme Swingarm Rule Was Originally Worded In The 2004 Rulebook

© 2004, Roadracing World Publishing, Inc.

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From AMA Pro Racing’s 2004 AMA Superbike Championship rulebook on www.amaproracing.com:

b. Swing arms
Stock swing arms must be utilized. The only modifications permitted are gusseting and attachment of stand mounts. 1000cc – 1350cc air-cooled twin-cylinder motorcycles are unrestricted.

See related post:

6/16/2004 Updated Post: AMA Pro Racing Changes Formula Xtreme Swingarm Rule Without Notice Or Comment

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