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Norrie disease is a rare X-linked recessive genetic disorder that primarily affects the eyes and almost always leads to blindness.It is caused by mutations in the Norrin cystine knot growth factor gene, also referred to as Norrie Disease Pseudoglioma (NDP) gene.
The RD400 is a 399 cc (24.3 cu in) two-stroke air cooled six-speed motorcycle produced by Yamaha from 1976 until 1979. It evolved directly from the Yamaha RD350 . The 350 evolved into the RD400C in 1976, the "D", "E" in '77, '78 respectively and the final model, the white 1979 RD400F.
Yamaha YP 400 Majesty is a scooter made by Yamaha beginning in 2003. [verification needed] The Majesty line includes 150, 250, and 400 cc (9.2, 15.3, and 24.4 cu in) displacement single-cylinder engine versions available in Europe and Asia. In the US, only the 400 cc model was sold, from 2004 to 2014.
The SR was styled by Atsushi Ishiyama with Yamaha presenting a pre-production prototype to US dealers in late 1975. [5] Ishiyama said of the bike's styling: "Our choice was to design the new SR500 with a strong family image and a strong link to our first four stroke, the XS 650 twin, which was also inspired by British design."
Symptoms usually get worse over the course of two weeks, then stabilize, and finally begin to improve. [4] Motor problems, including chorea, settle within an average of 2–3 months. [4] Recurrence is seen in 16–40% of cases. It is sometimes but not always associated with a rise in ASO titre or other evidence of new streptococcal infection.
1993 XJR400 Yamaha introduced the first variant of the XJR400, it came with x4 Mikuni BSR30 carburetors integrated to its 64-degree DOHC 16-valve oil-cooled 399cc inline 4 engine tuned for 53 horsepower. It is mated with a close-ratio 6 speed transmission that gives a "turning number" flavor.
The Yamaha FZR400 was a 400 cc (24 cu in) class sport bike produced by Yamaha Motor Company between 1987 and 1994. The FZR400 was updated every year up until 1994, after which production ended. The FZR400 was updated every year up until 1994, after which production ended.
Yamaha produced the enduro DT1 250 in 1968. The motorcycle was embraced and Yamaha learned that, in America riders were interested in motorcycles which could operate off-road, and on road. Yamaha experimented with larger displacement and in 1975 they created the DT400B. The DT400B did not initially sell well, and Yamaha reduced the price.