The GN is a series of
standard Standard may refer to:
Symbols
* Colours, standards and guidons, kinds of military signs
* Standard (emblem), a type of a large symbol or emblem used for identification
Norms, conventions or requirements
* Standard (metrology), an object ...
motorcycle
A motorcycle (motorbike, bike; uni (if one-wheeled); trike (if three-wheeled); quad (if four-wheeled)) is a lightweight private 1-to-2 passenger personal motor vehicle Steering, steered by a Motorcycle handlebar, handlebar from a saddle-style ...
s built by
Suzuki
is a Japanese multinational mobility manufacturer headquartered in Hamamatsu, Shizuoka Prefecture, Shizuoka. It manufactures automobiles, motorcycles, all-terrain vehicles (ATVs), outboard motor, outboard marine engines, wheelchairs and a va ...
since the early '80s.
They included;
* Suzuki GN50E 1981
* Suzuki GN125
*
Suzuki GN250
The Suzuki GN250 is a 4-valve Single-cylinder engine, single cylinder, Air-cooled engine, air-cooled SOHC, , 4 stroke standard motorcycle made by Suzuki Motors since 1982. Its smaller cousin is known as GN125 with a smaller displacement (125cc) e ...
**
Suzuki SW-1
is a Japanese multinational mobility manufacturer headquartered in Hamamatsu, Shizuoka. It manufactures automobiles, motorcycles, all-terrain vehicles (ATVs), outboard marine engines, wheelchairs and a variety of other small internal combu ...
* Suzuki GN400
** Suzuki GN 400 E 1980
** Suzuki GN 400 E 1981
** Suzuki GN 400 E 1982
* Suzuki GN600
** Suzuki GN600T
All featured air-cooled
SOHC
An overhead camshaft (OHC) engine is a piston engine in which the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combus ...
single-cylinder engines with chain drive and were designed to be easy to ride by beginners. Early GN250s featured a front drum brake which was touchy in cold or wet weather. The drum was replaced by a disk after one year. Instrumentation included a speedometer, odometer with trip, high beam and turn indicator, and a gear position indicator.
The GN400 was based on the SP400
Enduro motorcycle
An enduro motorcycle is an Types of motorcycles#Off-road, off-road racing motorcycle used in enduros, which are long-distance cross-country, Trails, time trial competitions.
Types and features of enduro motorcycles
Enduro motorcycles closely rese ...
and was also available as the GN400X, which substituted spoke wheels for the GN400's alloy wheels, as well as having a flatter seat and flatter, shorter handlebars. Neither GN400 had an electric starter. The GN400 instrumentation added a tachometer to the above-mentioned gear. A manual decompression system was fitted.
The GN600T (Road Sports) was based on the
Suzuki DR600.
The new (2009 model year)
Suzuki TU250X is based on predecessor models known as the Volty and the Grasstracker, which were heavily based on the GN250. The TU250X features a cleaner-burning fuel-injected 249cc single-cylinder as well as styling resembling the British sporting single of the 1960s as well as the
Universal Japanese Motorcycle
The term "Universal Japanese Motorcycle", or UJM, was coined in the mid-1970s by '' Cycle Magazine'' to describe a proliferation of similar Japanese standard motorcycles that became commonplace following Honda's 1969 introduction of its succe ...
.
The city-street–oriented TU250 Volty featured a 17-horsepower 249cc 2-valve single-cylinder carbureted engine. The Suzuki TU250G Grasstracker and Suzuki TU250GB Grasstracker Bigboy were multi-purpose bikes with a kickstart version of the engine.
The 2007
GZ250 features the same basic powertrain as the
GN250, but with a more cruiser-oriented theme.
Specifications for the 2006 GN 250E
*Overall length: 2,040 mm (80.3 in)
*Overall width: 835 mm (32.9 in)
*Overall height: 1,135 mm (44.1 in)
*Wheelbase: 1,360 mm (53.5 in)
*Ground clearance: 160 mm (6.3 in)
*Dry weight: 129 kg (283 lbs)
*Engine type: air-cooled 249 cc single-cylinder SOHC, 4 valves. 22 hp (16 kW)@ 8,500 rpm, 14.5 lb-ft (2.0 kg-m)@ 5,500 rpm.
Results for US spec 1988 GN 250, from November 1988 Cycle World
*List price: $1859
*Dry weight 294 Lbs
*Seat height 29.0"
*Wheelbase: 53.9"
*Top speed: 79 mph
*1/4 mile acceleration: 16.82 @ 74.07 mph
*40-60 mph roll-on: 8.0 seconds
Results for US spec 1980 GN 400, from October 1980 Cycle World
*List price: $1499
*Wet weight 327 Lbs
*Seat height 29.3"
*Wheelbase: 55.2"
*Top speed: 170kmh;mph
*1/4 mile acceleration: 15.27 @ 82.11 mph
*40-60 mph roll-on: 6.6 seconds
*Fuel economy: 71.2 mpg
*Range (to reserve): 190.5 miles
Handling and comfort are the main advantages of GN series. It is meant for mainly commuters and especially the GN125 is popular with regard to low fuel consumption.
References
*Cycle World, October 1980
*Cycle World, November 1988
*New Zealand Suzuki GN250 Brochure, 2006
Suzuki GN 400 Specifications{{Reflist, refs=
[{{Cite web, url=https://books.google.com/books?id=KEtpOie7PjkC&q=SUZUKI+DR600&pg=PA1, title = Cycle World Magazine]
GN series
Standard motorcycles
de:Suzuki GN 400