Editore: H. P. Books, Tuscon, AZ, USA, 1970
Da: Post Horizon Booksellers, Moose Jaw, SK, Canada
Soft cover. Condizione: Good. 160pp. bw photos, instructional and detail mechanical drawings. Colour photo illustrated wrapper is clean showing small wear to and front fore edge. Corners reinforced. Binding square and not creased. Quarto. Covers all 40 HP 1200's, plus 1300 / 1500 / 1600 engines through 1971's: bolt-on HP, carburetion, exhaust, cylinder heads, cams, pistons & cylinders, ignition, assembly techniques, supercharging, stability & handling.