Suzuki RG400 GAMMA: history, specs, pictures

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Suzuki-rg-400-gamma-2-1986-1986-2.jpg
Suzuki RG 400 GAMMA
Manufacturer
Production 1986
Class Racing
Engine
Water-cooled, 2-stroke, v-four cylinder
Bore / Stroke 50.8mm x 50.8mm
Compression ratio 7.0:1
Top Speed 143 mph (230 km/h)
Horsepower 59.0 HP (44.0 KW) @ 9000RPM
Torque 34.67 ft/lbs (47.0 Nm) @ 8000RPM
Fuel System carburetor. 4xflat slide mikunis
Ignition electronic
Transmission Gear box: 6-Speed

Final Drive: Chain

Clutch: Wet multi-plate
Suspension Front: Air adjustable fork with 38mm tubes, adjustable spring preload and dive valving
Rear: Full floating system
Brakes Front: Double discs
Rear: Disc
Front Tire 110/90-V16
Rear Tire 120/90-V17
Wheelbase 56.1 inches (1425 mm)
Length 82.72 inches (2101 mm)
Width 27.4 inches (696 mm)
Seat Height 30.31 inches (770 mm)
Weight 339.51 pounds (154.0 Kg) (dry), 181.0 kg (wet)
Recommended Oil Suzuki ECSTAR 10w40
Fuel Capacity 5.81 Gallon (22.00 Liters)
Fuel Consumption 9.00 liters/100 km (11.1 km/l or 26.14 mpg)
Related Suzuki RG250, Suzuki RG400, Suzuki RG500
Manuals Service Manual


The Suzuki RG 400 GAMMA was a Water-cooled, 2-stroke, four cylinder Sport Bike motorcycle produced by Suzuki in 1986. Max torque was 34.67 ft/lbs (47.0 Nm) @ 8000 RPM. Claimed horsepower was 59.0 HP (44.0 KW) @ 9000 RPM.

Engine[edit]

A 50.8mm bore x 50.8mm stroke result in a displacement of just 397.0 cubic centimeters.

Drive[edit]

The bike has a 6-Speed transmission. Power was moderated via the Wet multi-plate.

Chassis[edit]

It came with a 110/90-V16 front tire and a 120/90-V17 rear tire. Stopping was achieved via Double discs in the front and a Disc in the rear. The front suspension was a Air adjustable fork with 38mm tubes, adjustable spring preload and dive valving while the rear was equipped with a Full floating system. The wheelbase was 56.1 inches (1425 mm) long.

1986 Suzuki RG 400 GAMMA[edit]

1986 Suzuki RG 400 GAMMA 1986 Suzuki RG 400 GAMMA 1986 Suzuki RG 400 GAMMA


The RG 400 Gamma, like its brothers, copied the Suzuki racer with its four water-cooled cylinder arranged in a square, disc valves and all the latest two-stroke technology. The chassis was as advanced, with an aluminum box frame and Full-Floater rear suspension.


The Suzuki RG400 Gamma was a v4, two-stroke standard produced by Suzuki between 1985 and 1987. It could reach a top speed of 143 mph (230 km/h). Claimed horsepower was 57.8 HP (43.1 KW) @ 9000 RPM.

Engine[edit]

The engine was a liquid cooled v4, two-stroke. A 50.0mm bore x 50.6mm stroke result in a displacement of just 400.0 cubic centimeters. Fuel was supplied via a rotary valves.

Drive[edit]

The bike has a 6-speed transmission. Power was moderated via the wet plate.

Chassis[edit]

It came with a 2.50-16 front tire and a 2.75-17 rear tire. Stopping was achieved via double disc. four piston calipers in the front and a single disc. twin piston caliper in the rear. The front suspension was a telescopic forks while the rear was equipped with a suzuki full floater monoshock. The RG400 Gamma was fitted with a 5.81 Gallon (22.00 Liters) fuel tank. The bike weighed just 339.51 pounds (154.0 Kg). The wheelbase was 56.1 inches (1425 mm) long.

In Media[edit]