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titleEric Gorr, owner of Forward Motion is known for his technical writings on late model 4-stroke dirt bikes, in print and on the net. In 2005 Dirt Rider magazine featured Eric’s cylinder head repair and top end rebuild series. As a moderator at DirtRider.Net he counseled owners of thumpers on engine rebuilding and tuning issues. In 2006 the CRF PERFORMANCE HANDBOOK was published by Motorbooks and received rave reviews in motorcycle magazines like Racer X. In 2011, Eric’s latest book 4-STROKE MOTOCROSS PERFORMANCE HANBOOK, was released and comes free with every cylinder head service job.

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