Suzuki GN125: history, specs, pictures

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Suzuki GN125
Also called GN 125, GN125SE
Production 1982 - present (Colombia and Mexico) (only exported to US 1982-1983)
Class Cruiser
single cylinder, four-stroke
Bore / Stroke 57.0mm x 48.8mm
Compression ratio 9.5:1
Top Speed 63 mph (101 km/h)
Horsepower 10.73 HP (8.0 KW) @ 9600RPM
Torque 6.12 ft/lbs (8.3 Nm) @ 8600RPM
Fuel System carburetor
Spark Plug NGK DR8ESL '91
NGK D8EA '82-83 , '92-97
Battery YUASA YB7-A '82-83 , '91 , '92-97
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: wet multi-disc, manual
Final Drive Chain: 428x114
Front Sprocket 14T
Rear Sprocket 42T
Suspension Front: telescopic
Rear: twin shock, adjustable
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 2.75-18
Rear Tire 3.50-16
Wheelbase 50.39 inches (1280 mm)
Length 76.57 inches (1945 mm)
Width 32.09 inches (815 mm)
Height 43.7 inches (1110 mm)
Seat Height 30.55 inches (776 mm)
Weight 222.67 pounds (101.0 Kg) (dry), 105.0 kg (wet)
Recommended Oil Suzuki ECSTAR 10w40
Fuel Capacity 2.72 Gallon (10.30 Liters)
Fuel Consumption 0.32 liters/100 km (312.5 km/l or 735.07 mpg)
Related Suzuki DR125
Suzuki GN125E
Competition Kawasaki BN125A
Manuals Service Manual

The Suzuki GN125 is a single cylinder, four-stroke Cruiser motorcycle still produced by Suzuki from 1982 to present. It can reach a top speed of 63 mph (101 km/h). Max torque is 6.12 ft/lbs (8.3 Nm) @ 8600 RPM. Claimed horsepower is 10.73 HP (8.0 KW) @ 9600 RPM. This bike shares many engine components with the Off-road oriented DR125.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 57.0mm bore x 48.8mm stroke result in a displacement of just 124.0 cubic centimeters. Fuel was supplied via a single overhead cams (SOHC).

Drive[edit | edit source]

The bike has a 5-speed transmission. Power was moderated via the wet multi-disc, manual.

Chassis[edit | edit source]

It came with a 2.75-18 front tire and a 3.50-16 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic while the rear was equipped with a twin shock, adjustable. The GN125 was fitted with a 2.72 Gallon (10.30 Liters) fuel tank. The bike weighed just 222.67 pounds (101.0 Kg). The wheelbase was 50.39 inches (1280 mm) long.

1982 GN125Z[edit | edit source]

1982 Suzuki GN125Z

  • V.I.N. #: JS1NF41A C 100001
  • ENGINE TYPE: 124cc Four-stroke
  • MODEL TYPE: 053
  • COLOR: Black, Red
  • Gold tank and side covers stripes
  • Chrome fenders
  • Spoke wheels

1983 GN125D[edit | edit source]

1983 Suzuki GN125D

  • V.I.N.#: JS1NF41A D 100001
  • ENGINE TYPE: 124cc Four-stroke
  • MODEL CODE: 053
  • COLOR: Blue, Red
  • Chrome shroud at top of rear shocks

1997 Suzuki GN 125[edit | edit source]

1997 Suzuki GN 125

The 1996 Suzuki GN 125 has, at its heart, an air-cooled, four-stroke, 124cc, single cylinder powerhouse paired to a five-speed manual transmission, and can produce a claimed 11 horsepower and 10 Nm of torque.

In addition, it comes standard with laced wheels, a dual seat with passenger grab rails, a telescopic front fork, dual shocks as a rear suspension, wide handlebars, a chromed headlinght, a chromed exhaust, and a brake disc in the front coupled to a drum brake in the rear.

In Media[edit | edit source]

References[edit | edit source]