Suzuki RG 500 Walter Wolf (1987-88)

The Suzuki RG 500 Gamma Walter Wolf (1987-88) motorcycle was a two-stroke, square four-cylinder bike with a capacity of 498cc and a compression ratio of 7.0:1. It had a wet sump lubrication system and four 28mm Mikuni VM28SH flatslide carburetors for induction. The maximum power output was 70 kW / 95 hp at 9000 rpm, with a maximum torque of 72 Nm at 9000 rpm. The bike had a six-speed transmission with a chain final drive.

The frame of the Suzuki RG 500 was made of steel, with a double cradle design. The front suspension was an air-adjustable fork with 38mm tubes and adjustable spring preload, while the rear suspension was a shock absorber with adjustable spring preload. The front brakes consisted of two 260mm discs with four-piston calipers, and the rear brake was a single 210mm disc with a two-piston caliper. The bike had a length of 2100mm, width of 695mm, and height of 1185mm. The wheelbase was 1425mm and the seat height was 770mm with a ground clearance of 120mm. The dry weight was 156kg, while the wet weight was 175kg. The fuel capacity was 22 litres and the bike could average 8.7 L/100 km or 27 US mpg.

The bike had a top speed of 236.4 km/h and could do a standing 1/4 mile in 11.2 seconds, with a speed of 193.9 km/h. It was tested by Motociclismo Motosprint Group Test.

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Technical specifications:

Make Model: Suzuki RG 500 Gamma Walter Wolf

Year: 1987 – 88

Engine: Two stroke, square four cylinder, rotary valve with exhaust port valves

Capacity: 498 cc / 30.4 cu in

Bore x Stroke: 56 x 50.6 mm

Cooling System: Liquid cooled

Compression Ratio: 7.0:1

Lubrication: Wet sump

Induction: 4 x 28mm Mikuni VM28SH Flatslide carburetors

Ignition: Suzuki PEI

Spark Plug: NGK, BR9ES

Starting: Kick

Max Power: 70 kW / 95 hp @ 9000 rpm

Max Power Rear Tyre: 61.9 kW / 83 hp @ 10000 rpm

Max Torque: 72 Nm / 7.3 kgf-m 53.1 lb-ft @ 9000 rpm

Clutch: Wet, cable operated

Transmission: 6 Speed

Final Drive: Chain, 2.500 (40/16)

Primary Drive Ratio: 2.230 (58/26)

Gear Ratio: 1st 2.636 (29/11) / 2nd 1.750 (28/16) / 3th 1.380 (29/21) / 4th 1.173 (27/23) / 5th 1.045 (23/22) / 6th 0.956 (22/23)

Frame: Steel, double cradle frame

Front Suspension: Air adjustable fork with 38mm tubes, adjustable spring preload and anti dive valuing.

Front Wheel Travel: 130 mm / 5.2 in

Rear Suspension: Shock absorber, adjustable for spring preload

Rear Wheel Travel: 126 mm / 4.9 in

Front Brakes: 2 x 260 mm Discs, 4 piston calipers

Rear Brakes: Single 210 mm disc, 2 piston caliper

Front Tyre: 110/90 V16

Rear Tyre: 120/90 V17

Dimensions: Length 2100 mm / 82.7 in Width 695 mm / 27.4 in Height 1185 mm / 46.7 in

Wheelbase: 1425 mm / 56.1 in

Seat Height: 770 mm / 30.3 in

Ground Clearance: 120 mm / 4.7 in

Dry Weight: 156 kg / 339.5 lbs

Wet weight: 175 kg / 386 lbs

Fuel Capacity: 22 Litres / 5.8 US gal / 4.8 Imp gal

Consumption Average: 8.7 L/100 km / 11.5 km/l / 27 US mpg / 32.5 Imp mpg

Braking 60 km/h – 0: 16 m / 52.5 ft

Braking 100 km/h – 0: 39.2 m / 18.6 ft

Standing 1/4 Mile: 11.2 sec / 193.9 km/h / 120.5 mph

Top Speed: 236.4 km/h / 146.9 mph

Road Test: Motociclismo Motosprint Group Test