| 词条 | Honda Express |
| 释义 |
| name = Honda Express | image = 1982 Honda Express.jpg | caption= 1982 Honda Express | aka = | manufacturer = Honda | parent_company = | production = 1977–1983 | predecessor = | successor = | class = Moped | engine = {{convert|49|cc|abbr=on}}, air-cooled, two-stroke, single | top_speed = | power = | torque = | transmission = Continuously variable, single speed or two speed automatic transmission | suspension = | brakes = Drum, front and rear | tires = | rake_trail = | wheelbase = | length= | width= | height= | seat_height = | dry_weight = | wet_weight = | fuel_capacity = | related = Express II, Express SR, Urban Express }} The Honda Express or Honda NC50 is a scooter made by Honda between 1977 and 1983. Variants include the Express, Express II, Express SR and Urban Express. All versions of the Express line are powered by an air-cooled {{convert|49|cc|abbr=on}} two-stroke engine. IntroductionThe Honda Motor Company of Japan released the Honda Express (NC50) to the North American market in 1977. This new bike was designed to enter the large market for scooters that developed following the 1973 oil crisis. As such it came with a fuel-efficient single-cylinder two-stroke engine. It was also designed to be simple to operate, as many owners would be inexperienced with or intimidated by larger, more complex motorcycles. Honda accomplished this by using a fully automatic transmission and a small oil pump to self-mix the Express's oil and fuel, thus eliminating the need for premixing. ModelsNC50A 49 cc scooter which was manufactured from 1977 until 1983, it featured an air-cooled 2-stroke engine. The versions from 1977 until 1980 had a manual choke, points ignition, and a spring starter. Versions from 1980 onwards included a kick start, capacitor discharge ignition, and automatic choke as well as an improved compression ratio. Most versions include an automatic one speed transmission with a centrifugal clutch, double suspension, and oil injection. Two speed automatic transmissions were introduced towards the end of their production run. NA50The na50, or express II, was released in 1979 and produced until 1981. Differences include a different frame, more "comfortable" seat, tree handle bars, and a slightly larger gas tank. The 1981 model only came with a 2speed automatic transmission. Top speed was the same as the nc50; 30 mph. NX50The nx50, or Honda express sr, used a different engine from the nc and na50. It came equipped with a belt driven, variable transmission, larger reed valve block, and slightly different intake manifold. Top speed is a claimed 30 mph, although most usually max out around 25-30 mph, just like the regular express. NU50The nu50 and nu50m, or Honda urban express, replaced the express II model for 1982 and was only produced until 1983. It utilized a similar belt driven, variated engine as in the nx50, however the belt side of the cases is longer and top speed is slightly higher. Most bikes run about 30 mph. The nu50m comes with an electric start, in addition to the regular urban express standard features, including; oil injection, blinkers, 12v battery, cdi ignition, an alternator, oil tank indicator, and beefier shocks and larger wheels than the regular express. A unique restricted version was produced just for the lower speed requirements to be sold in Iowa; the Iowa models are limited to maximum 25mph. Chronology
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3 : Motorcycles introduced in 1977|Honda mopeds|Two-stroke motorcycles |
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