Bell, A. Graham Two-stroke performance tuning / A. Graham Bell2-stroke performance tuning - 2nd ed. - Sparkford, Nr yeovil, Somerset : Newbury Park, Calif., USA : Haynes Pub. ; Haynes North America, 1999 - 271 p. : ill. ; 24 cm. Includes index ISBN: 1859606199 Subjects--Topical Terms: Motorcycles, Racing--Motors (Two-stroke cycle)--ModificationMotorcycles--Performance