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  2. Yamaha XS750 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_XS750

    Yamaha XS 850. The 826cc replacement for the XS750 was a very similar beast. The engine received bigger barrels and pistons, a beefier crankshaft, a wider primary chain and better oil ways. The addition of an oil cooler helped keep things cool. The European 850 “G” came with the 24 liter tank as standard, plus a huge 8" diameter headlight.

  3. List of Yamaha motorcycles - Wikipedia

    en.wikipedia.org/wiki/List_of_Yamaha_motorcycles

    YD-1 (1957) Yamaha began production of its first 250 cc, two-stroke twin, the YD1. [1] MF-1 (1958) 50 cc, two-stroke, single cylinder, step through street bike [1] YDS-3 (1964) 246 cc, two-stroke, parallel-twin, it used the world's first oil injection lubrication system in a 2-stroke engine. [2] DT-1 (1968) Yamaha's first true off-road ...

  4. Yamaha XS Eleven - Wikipedia

    en.wikipedia.org/wiki/Yamaha_XS_Eleven

    The Yamaha XS Eleven motorcycle, also called XS 1100 and XS 1.1, is a Japanese standard produced from late 1977 (MY1978) to 1983, powered by an air-cooled 1,101 cc (67.2 cu in) 4-stroke, DOHC inline four-cylinder engine mounted transversely in a duplex cradle frame with swingarm rear suspension, shaft drive, and telescopic forks.

  5. Yamaha SR400 & SR500 - Wikipedia

    en.wikipedia.org/wiki/Yamaha_SR400_&_SR500

    The SR400 has an air-cooled 4-stroke single cylinder SOHC 2-valve engine with a dry-sump, with the downtubes of the motorcycle's frame serving as the engine's oil reservoir and cooling system, [6] thereby eliminating the need for an external oil cooler, reducing engine pumping losses, and allowing increased ground clearance as well as reduced ...

  6. Dry sump - Wikipedia

    en.wikipedia.org/wiki/Dry_sump

    The Triumph Rocket 3, an inline three-cylinder, water-cooled, DOHC engine. The Yamaha TRX850 270-degree parallel twin motorcycle has a dry-sump engine. Its oil reservoir is not remote, but integral to the engine, sitting atop the gearbox. This design eliminates external oil lines, allowing simpler engine removal and providing faster oil warm up.

  7. Yamaha YZ450F - Wikipedia

    en.wikipedia.org/wiki/Yamaha_YZ450F

    The Yamaha YZ450F is a four-stroke racing motocross bike built by Yamaha Motor Corporation.It was the successor to the previous YZ426F which was discontinued in 2003. It is credited by Cycle World and Dirt Rider magazines as the bike that started the four-stroke dirt bike revolution.