Yamaha 400 Xs. 1982 Yamaha XS 400 Coinciding with the release of the XS 400 Yamaha said in Germany in 1978 the Yamaha XS 400 Cup to life Yamaha's 400 is the flagship of their mid-displacement Twins, carrying not only the extra engine size, but disc brakes front and rear, aluminum wheels and other goodies
YAMAHA XS400 Review and photos from www.roadsmile.com
The XS400 is the company's four-stroke machine in the popular 400 class and is completely different from the RD400 two-stroke which has a much sportier image, even if in reality both bikes are. It is a bike with a 399cc engine which develops a power of 45 horses at 9500rpm and can reach a top speed of 168 km/h
YAMAHA XS400 Review and photos
Yamaha have been trying to cater for all tastes and marketing machines with similar capacity in both two-stroke and four-stroke guises in the mid 70s Yamaha XS 400 Engine and Transmission Technical Data: Engine type - Number of cylinders: Twin, four-stroke : Engine details - Fuel system - Engine size - Displacement - Engine capacity: 392.00 ccm (23.92 cubic inches) Bore x Stroke: 69.0 x 52.4 mm (2.7 x 2.1 inches) Compression Ratio: 9.2:1 : Number of valves per cylinder: 2 : Camshaft. It's like a Chevy Biscayne with a big engine and deluxe trim.
Yamaha Yamaha XS 400. Yamaha XS 400 Engine and Transmission Technical Data: Engine type - Number of cylinders: Twin, four-stroke : Engine details - Fuel system - Engine size - Displacement - Engine capacity: 392.00 ccm (23.92 cubic inches) Bore x Stroke: 69.0 x 52.4 mm (2.7 x 2.1 inches) Compression Ratio: 9.2:1 : Number of valves per cylinder: 2 : Camshaft. Coinciding with the release of the XS 400 Yamaha said in Germany in 1978 the Yamaha XS 400 Cup to life
Yamaha Xs 400 Specs. Engine and transmission ; Displacement: 392.0 ccm (23.92 cubic inches) Engine type. A Cycle World tester called the XS400 "the roughest running 400 4-stroke twin on the market," with vibration making the mirrors useless at speed