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The Yamaha RZ350 is a two-stroke motorcycle produced by Japanese motorcycle manufacturer Yamaha between 1983 and 1996. Available in the US from 1983 to 1985, Canada until 1990 and Brazil until 1996. The RZ was the final evolution of the popular and well-known series of RD Yamaha motorcycles, and as such is also known as the RD350LC II or RD350 ...
The TZR250R 3XV SPR actually uses a Triple-YPVS, which is a combination of the guillotine and "cotton reel" designs. Yamaha was actually the first company to produce consistent results with their YPVS in their race bikes. The 1977 OW35K was the first race bike to incorporate the power valve system and it won the Finnish GP in 1977.
Yamaha RD350 YPVS is a motorcycle that Yamaha made from 1983 to 1986. It was launched at the Cologne motorcycle show as "the nearest thing to a road going racer ever produced". [1] It had a parallel-twin two-stroke engine with identical bore and stroke of its predecessor, the Yamaha RD350LC.
The Yamaha RD350LC was a two-stroke motorcycle produced by Yamaha between 1980 and 1983. Although it immediately succeeded the larger RD400 , the RD350LC was powered by a smaller 347cc parallel twin two-stroke engine which actually had the same bore and stroke as the older RD350 (64 x 54mm).
499 cc (30 cu in), 2-stroke, four-cylinder, liquid-cooled, reed valve induction with YPVS Bore Stroke 56.4 mm × 50.0 mm (2.22 in × 1.97 in) Compression Ratio 6.6:1 Fuel System Mikuni VM26SS 26 mm (1.0 in) carburettor x 4 Lubrication Yamaha Autolube two stroke injection, transmission gear pump. Ignition
The Yamaha TZR250 is a motorcycle manufactured and produced by the Japanese motorcycle manufacturer Yamaha between 1986 and 1995. [3] Yamaha produced the road going two-stroke motorcycle, loosely based on the TZ250 Yamaha racing bike. Parallel-twin, reverse cylinder and finally 90° V-twin variants were produced.
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]
It evolved directly from the piston port (pre-reed valve intake tract), front drum-braked, five-speed Yamaha 350 cc "R5". [ 3 ] The engine is an air-cooled , parallel twin , six-speed (in some markets, such as the UK, the first model was sold in five-speed form), reed valve -equipped intake tract two-stroke engine .