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 th ...

motorcycle A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-wheeled motor vehicle steered by a handlebar. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising ...

s built by

Suzuki is a Japan, Japanese multinational corporation headquartered in Minami-ku, Hamamatsu, Japan. Suzuki manufactures automobiles, motorcycles, All-terrain vehicle, all-terrain vehicles (ATVs), outboard motor, outboard marine engines, wheelchairs ...

since the early '80s. They included; * Suzuki GN50E 1981 * Suzuki GN125 * Suzuki GN250 ** Suzuki SW-1 * 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 where 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 combustion cha ...

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 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 resemble motocross, or "MX" bikes ( ...

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 Universal Japanese Motorcycle (UJM) is a US motorcycling media term for a general-purpose style of Japanese standard motorcycle that revolutionized the industry and made motorcycling in America more accessible during the 1970s and 1980s. By aro ...

. The city-street–oriented TU250 Volty featured a 17-horsepower 249cc 2-valve single-cylinder carburated 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: 90 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