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Which is also the case for Yamaha's new 1.9-liter four-cylinder, which makes 200 hp at 7600 rpm and can be found powering high-output WaveRunners and jet-drive boats.
It featured a 500cc twin cylinder engine, with a top speed around 25-30 mph on a smooth lake. The engine can be replaced with the newer 701cc engine, with minimal fitting problems. [2] 1993 through 1994 The craft remained unchanged with the 61X cases and blue/purple color paint commonly referred to as "blurple". 1995 Yamaha changed the color to ...
Yamaha numbers its models according to their make (in the case of the SuperJet, all models begin with the letters SJ) followed by the engine size (given in approximate cubic centimeters— the 650cc referred to as 650 and the 701cc referred to as 700) and the year in which the vehicle was made, given as either a one or two letter designation and increasing by one ‘letter' each full year ...
Early models were powered by a Rolls-Royce-Allison Model 250-C18 gas turbine producing a claimed 320 hp (240 kW) at 52,000 rpm. [3] Unlike some turbojet-powered motorcycles which relied on jet propulsion for thrust, the Y2K Superbike's turboshaft engine drives the rear wheel via a two-speed gearbox and chain and sprocket. The motorcycles are ...
Yamaha then diversified its offer into various categories, ranging from models for beginners to those intended for competition listed below: [3] 1986 WaveRunner 500 (Marine Jet 500T) 1987 WaveJammer 500 (Marine Jet 500S) 1990 WaveRunner III 650 (Marine Jet 650TL) 1990 Super Jet 650; 1992 WaveRunner VXR650 (Marine Jet 650TX) 1993 WaveRunner Pro ...
The first bike manufactured by Yamaha was actually a copy of the German DKW RT 125; it had an air-cooled, two-stroke, single cylinder 125 cc engine [1] YC-1 (1956) was the second bike manufactured by Yamaha; it was a 175 cc single cylinder two-stroke. [1] YD-1 (1957) Yamaha began production of its first 250 cc, two-stroke twin, the YD1. [1]
"Cutaway of Yamaha Genesis inline-four 20-valve engine" The DOHC Genesis engine has five valves per cylinder and downdraft carburetors. Yamaha adopted the 5-valve concept, using three intake valves and two exhaust valves per cylinder, because it allowed both excellent volumetric efficiency and high RPM. As designers began to appreciate the ...
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