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The Honda SL70 Motosport, which was introduced in 1970, is a small street/trail motorcycle with a four-stroke engine, a four-speed manual gearbox, and a full-cradle frame. The bike was extremely popular with younger riders who used it off-road as a trail bike and mini motocrosser. For the latter role, it was essentially replaced by Honda's XR75 in 1973.
The vast majority of production of this model went to the American market. The bike was not officially sold in the UK.
In 1970, it was designated the SL70K0, 1971 the SL70K1, 1972 the SL70K2, and 1973 the SL70K3. Except for paint colors and the addition of a speedometer, the bike was unchanged in those four years. (When first introduced, its main competition in the marketplace was the Yamaha Mini Enduro 60.) In 1974, the designation changed to XL70 and the bike got a slimmer gas tank.
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The Honda CB750 is an air-cooled, transverse, in-line-four-cylinder-engine motorcycle made by Honda over several generations for year models 1969–2008 with an upright, or standard, riding posture. It is often called the original Universal Japanese Motorcycle (UJM) and also is regarded as the first motorcycle to be called a "superbike".
The Honda XR series is a range of four-stroke off-road motorcycles that were designed in Japan but assembled all over the world.
The Honda CX series motorcycles, including the GL500 and GL650 Silver Wing variants, were developed and released by Honda in the late 1970s, with production ending in most markets by the mid 1980s. The design included innovative features and technologies that were uncommon or unused at the time such as liquid cooling, electric-only starting, low-maintenance shaft drive, modular wheels, and dual CV-type carburetors that were tuned for reduced emissions. The electronic ignition system was separate from the rest of the electrical system, but the motorcycle could only be started via the start button.
The Honda CR series was a line of two-stroke off-road motorcycles made by Honda from 1973 to 2007. They are racing motorcycles with countless trophies in the 125, 250 and 500 motocross classes. Marty Smith, Jeremy McGrath, Ricky Carmichael and many other motocross legends dominated racing circuits on Honda CR's. CR's continue competing today and are prized by racing enthusiasts and collectors alike.
The Honda Z series or Monkey Bike was a line of minibikes made by Honda which have a model number starting with the letter Z. The bike came to be known as a monkey bike because those riding them "looked like monkeys".
A motorcycle engine is an engine that powers a motorcycle. Motorcycle engines are typically two-stroke or four-stroke internal combustion engines, but other engine types, such as Wankels and electric motors, have been used.
The Honda CB500 Four is a standard 498 cc (30.4 cu in), air-cooled, 8-valve, SOHC, transverse inline-four motorcycle made by Honda from 1971 to 1978. It was introduced at the London Racing and Sporting Motorcycle Show in February 1972, and sold in the US market until 1973, replaced by the CB550 in the 1974 model year, while continuing in the European market until 1978. The CB500 Four is styled like the CB750, but smaller and lighter, with a claimed 50 bhp (37 kW) output and a top speed of 115 mph (185 km/h).
The Honda Express or Honda NC50 is a scooter made by Honda between 1977 and 1983. Variants include the Express (NC50), Express II (NA50), Express SR (NX50) and Urban Express (NU50). All versions of the Express line are powered by an air-cooled 49 cc (3.0 cu in) two-stroke engine.
Honda XL250 is a four-stroke 250 cc (15 cu in) motorcycle from Honda introduced in 1972 and manufactured through most of the 1980s. When it appeared it was the first modern four-stroke enduro motorcycle and the first mass-produced four-valve motorcycle.
The Honda ST-series minibikes are known as the Dax in Japan and Europe, and the Trail 70 in Canada and the US.
The Honda CT90 was a small step-through motorcycle manufactured by Honda from 1966 to 1979. It was offered in two models: Trail or X with the main variations being gear ratios and tyre style.
The Honda CT series was a group of Honda trail bike motorcycles made since 1964. The CT designation is a slight exception in Honda nomenclature in that "CT" does not indicate a series of mechanically related bikes, but rather a group of different bikes that are all for casual off-road use.
The 50 cc class was the ultra-lightweight class in Grand Prix motorcycle racing, and formed part of the Fédération Internationale de Motocyclisme (FIM) World Championships from 1962 until 1983; when the class was replaced by 80 cc.
The Honda XR250R and XR250L are trail and dual-sport motorcycles made by Honda from 1979 through 2004, as part of the Honda XR series. They have four-stroke, SOHC four-valve 249 cc (15.2 cu in) single-cylinder engines.
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. The 2006 YZ250F and YZ450F were the first production motorcycles equipped with titanium suspension springs.
The Honda PC50 is a moped produced by the Honda Motor Company in Japan from May 1969 until at least 1983. The PC50, though much smaller and lighter, had some similar features to Honda's popular C50 /70 /90 Super Cub line, with a step-through pressed-steel frame, a fuel tank under the saddle, a chain cover, and optionally equipped with leg shields,
The Suzuki TS series is a family of two-stroke, dual-sport motorcycles made by Suzuki since 1969. The series was the first Suzuki trail bikes sold on the mass market. Most of the TS line had an air-cooled engine and most models were introduced alongside the closely related TM (Motocross) or TC (trail) models, TF (farm) and also the DS which in most cases shared engine and chassis designs. Suzuki's first mass market motocross bike, the TM400 Cyclone, was introduced in 1971 and was based on the TS that first sold in 1969. A TS185ER model was available in a few countries.
A big bang engine is an unconventional engine designed so that some of the power strokes occur simultaneously or in close succession. This is achieved by changing the ignition timing, changing or re-timing the camshaft, and sometimes in combination with a change in crankpin angle. The goal is to change the power delivery characteristics of the engine. A regular firing multi-cylinder engine fires at approximately even intervals, giving a smooth-running engine. Because a big-bang engine has uneven power delivery, they tend to run rougher and generate more vibration than an even-firing engine.
The Suzuki A100 is a Japanese motorcycle from the Suzuki Motor Corporation with production starting in 1966.Similar models were produced by Yamaha and Kawasaki with the YB100 & KH100 models, also with a single-cylinder two-stroke engine and rotary valve being examples.
Bridgestone motorcycles were a division of the Bridgestone Tire Co. of Kyōbashi, Tokyo, Japan that produced mopeds and motorcycles from 1952 to 1970. Initially producing power assisted bicycles, the division moved on to producing mopeds and then motorcycles. The motorcycles were technologically advanced and powered by two-stroke engines. The high technical specification resulted in the machines being more expensive compared to other manufacturers models. Production was stopped in 1970 to protect the supply of tyres to other manufacturers.