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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 under-seat area is occupied by the upper cylinder exhaust chambers, the oil pump and one-way valves, the battery and the YPVS (Yamaha Power Valve System) servo motor. The battery is of the 'wet' lead acid type and a cut-out is provided in the right side panel to view the acid levels without having to dismantle half the bike!
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).
The Dry January campaign was started in 2013 by Alcohol Change U.K., a charity focused on reducing alcohol harm. What are the health benefits of Dry January? While research on how quitting alcohol ...
Jessica Leeds . Her account: More than 30 years ago, Leeds was traveling for work when she sat next to Trump on a flight to New York. Leeds, who is now 74, told The New York Times that she and Trump spoke for a bit, then about 45 minutes into the flight he lifted the armrest between them and began to grab her breasts and put his hand up her skirt.
Parallel-twin, reverse cylinder and finally 90° V-twin variants were produced. It evolved as a natural replacement for the popular RD 250/Yamaha RD350LC series of the 1980s. It has the Yamaha Power Valve System 'YPVS' which raises and lowers the exhaust port depending on the rpm of the engine. The YPVS servo motor starts to open at about 6,000rpm.