The Honda Express or Honda NC50 is a scooter made by
Honda
is a Japanese public multinational conglomerate manufacturer of automobiles, motorcycles, and power equipment, headquartered in Minato, Tokyo, Japan.
Honda has been the world's largest motorcycle manufacturer since 1959, reaching a product ...
between 1977 and 1983. Variants include the
Express
Express or EXPRESS may refer to:
Arts, entertainment, and media Films
* '' Express: Aisle to Glory'', a 1998 comedy short film featuring Kal Penn
* '' The Express: The Ernie Davis Story'', a 2008 film starring Dennis Quaid
Music
* ''Express'' ...
(NC50),
Express II (NA50),
Express SR (NX50) and
Urban Express (NU50). All versions of the Express line are powered by an
air-cooled
Air-cooled engines rely on the circulation of air directly over heat dissipation fins or hot areas of the engine to cool them in order to keep the engine within operating temperatures. In all combustion engines, a great percentage of the heat ge ...
two-stroke
A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...
engine.
Introduction
The
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
The 1973 oil crisis or first oil crisis began in October 1973 when the members of the Organization of Arab Petroleum Exporting Countries (OAPEC), led by Saudi Arabia, proclaimed an oil embargo. The embargo was targeted at nations that had supp ...
. As such it came with a fuel-efficient
single-cylinder
A single-cylinder engine, sometimes called a thumper, is a piston engine with one cylinder. This engine is often used for motorcycles, motor scooters, go-karts, all-terrain vehicles, radio-controlled vehicles, portable tools and garden machinery ( ...
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.
Models
NC50 (1977-1983)
A 49cc "noped" (as it has no pedals unlike the PA50 Hobbit/Camino moped) which was manufactured from 1977 until 1983, it featured an air-cooled, oil-injected 2-stroke engine. The versions from 1977 to 1980 had a manual
choke,
points ignition, and a single speed transmission with a unique spring start system as opposed to a conventional
kick start
Kick start is a method of starting an internal combustion engine (usually that of a motorcycle) by pushing a ratcheting lever with one's foot. Kick start mechanisms were almost universally a part of motorcycle engines before the mid-1970s, and w ...
. Versions from 1981 onwards included
capacitor discharge ignition
Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, turbine-powered aircraft, and some cars. It w ...
, automatic choke and a conventional kick start mechanism, and then in 1982 a facelift brought a new body design and a 2-speed automatic transmission.
NA50 (1977-1981)
The 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. For the NA50's final year of production in 1981, it received the same upgrades as the NC50 (CDI, auto choke, kick start) as well as a 2-speed automatic transmission.
NX50 (1981-1983)
The NX50, or Honda Express SR (also called the "Deluxe"), used a slightly different engine from the NC50 and NA50, being equipped with a belt driven, variated transmission, larger reed valve block, and slightly different intake manifold alongside a body akin to a moped-scooter hybrid.
NU50 (1982-1983)
The 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 (NU50M) was produced just for the lower speed requirements to be sold in Iowa and other states with similar restriction; these models are limited to a maximum of 25mph from the factory.
Chronology
* 1977 The Honda Express (NC50) is introduced.
* 1979 The Express II (NA50) is introduced alongside the Express. Both feature the same drivetrain, but the new model is built with a redesigned frame and larger seat.
* 1980 Turn signals and a larger battery to match are added.
* 1981 Both models see a series of improvements, including an automatic choke unit, a more rugged kick starter to replace the wind up starter, and a solid state
Capacitor discharge ignition
Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, turbine-powered aircraft, and some cars. It w ...
in place of the
contact breaker
A contact breaker (or "points") is a type of electrical switch, found in the ignition systems of spark-ignition internal combustion engines. The switch is automatically operated by a cam driven by the engine. The timing of operation of the switch ...
based system. The Express II also receives an automatic two-speed transmission.
* Also new in 1981 is the Express SR (NX50). This is a scooter variant of the Express with a somewhat modified engine. It is the first Express to feature an electric starter, 12v electrical system and a Honda V-Matic
continuously variable transmission
A continuously variable transmission (CVT) is an automatic transmission that can change seamlessly through a continuous range of gear ratios. This contrasts with other transmissions that provide a limited number of gear ratios in fixed steps. T ...
.
* 1982 The Express receives a new frame design and the two speed transmission seen the previous year on the NA50. The Express II model is dropped, and a new model called the Urban Express (NU50) takes its place. This model features a frame similar to the NA50, and a drivetrain identical to the Express SR's, outside of its transmission gearing and electric starter. The Urban Express Deluxe (NU50m) is the same as the standard model, but comes with an electric starter and larger battery to operate it.
* 1983 This is the final year of the Express series in North America. The NC50 remains unchanged from its previous year. The Express SR is no longer available.
* 1984 This is the final year of the Express series in the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
.
External links
Moped Rider's AssociationBTC MotoMoped ArmyExpressly Moped'sHonda Express Moped Blog1977 Mopeds
{{Honda
Motorcycles introduced in 1977
Express
Express or EXPRESS may refer to:
Arts, entertainment, and media Films
* '' Express: Aisle to Glory'', a 1998 comedy short film featuring Kal Penn
* '' The Express: The Ernie Davis Story'', a 2008 film starring Dennis Quaid
Music
* ''Express'' ...
Two-stroke motorcycles