TRIUMPH TUNING By STAN SHENTON From The 1970s Triumph Tuning by Stan Shenton is a classic book on tuning work for your Triumph motorcycle engine. Much is covered in regards to unit 500 c.c., 650 c.c. / 750 c.c. and Trident 3 cylinder motors. It is also very relevant to pre unit motors. This book goes into gas flowing, valve train, compression ratios, big bore conversions, cam choice, ignition system, gearbox, exhaust, brakes, suspension, race preparation and much more. PUBLICATION No: None. FORMAT: Stapled Booklet, 55 Pages. LANGUAGES: English. ILLUSTRATIONS: Black & White photographs and illustrations. SIZE APPROX: 20.6cm x 25.5cm. CONDITION: Overall condition is Very Good. Some scuffs, minor handling wear to covers. Good, clean condition internally.