1985 Suzuki RG 400 Gamma

Suzuki RG 400 Gamma 1985


1985 Suzuki RG 400 Gamma specifications, pictures, reviews and rating

General information
Model Suzuki RG 400 Gamma
Year model 1985
Type Sport
Rating 3.6  Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike.
Engine and transmission
Engine size 397.4 ccm (24.25 cubic inches)
Type of engine V4, two-stroke
Effect 59.0 HP (43.1 kW)) @ 9000 RPM
Top speed 205.0 km/h (127.4 mph)
0-100 km/h (0-62 mph) 4.90 seconds
1/4 mile (0.4 km) 11.80 seconds
Maximum RPM 10000
Compression 7.0:1
Bore x stroke 50.0 x 50.6 mm (2.0 x 2.0 inches)
Valves per cylinder 1
Fuel system Carburettor. Mikuni VM28SH (VM28SS), four (Flat Slide)
Fuel control Rotary valves
Ignition electronic SUZUKI ´PEI´ 14deg B.T.D.C.below1700rpm 26deg B.T.D.C. (2700 - 6000rpm) 11deg B.T.D.C.above9500rpm; NGK : BR9ES; 12V 14.4KC (4Ah)/10HR; Three-phase AC.; 20A
Lubrication system Suzuki ´CCI´ Oil pump injection (carbs) + Wet sump (transmission/clutch)
Cooling system Liquid
Gearbox 6-speed
Transmission type Chain (final drive)
Clutch Wet 8-plate type
Fuel consumption 9.00 litres/100 km (11.1 km/l or 26.14 mpg)
Greenhouse gases 208.8 CO2 g/km. (CO2 - Carbon dioxide emission)
Exhaust system 4 into 4 steel pipes with expansion chambers
Chassis, suspension, brakes and wheels
Frame type Double downtube, full cradle, box section aluminium perimetre frame
Rake (fork angle) 25.5°
Trail 110 mm (4.3 inches)
Front suspension 38mm Telescopic pneumatic/coil spring oil damped with posi-damp unit, adjustable anti dive valving. Spring pre-load fully adjustable
Front wheel travel 130 mm (5.1 inches)
Rear suspension Full-floating suspension sytem, gas/oil damped, spring pre-load fully adjustable
Rear wheel travel 127 mm (5.0 inches)
Front tire 2.50-16
Rear tire 2.75-17
Front brakes Double disc. 4-piston calipers
Diameter 260 mm (10.2 inches)
Rear brakes Single disc. 2-piston caliper
Diameter 210 mm (8.3 inches)
Physical measures and capacities
Dry weight 154.0 kg (339.5 pounds)
Weight incl. oil, gas, etc 181.0 kg (399.0 pounds)
Power/weight ratio 0.3831 HP/kg
Front percentage of weight 49.0
Rear percentage of weight 51.0
Seat height 770 mm (30.3 inches) If adjustable, lowest setting.
Overall height 1185 mm (46.7 inches)
Overall length 2100 mm (82.7 inches)
Overall width 695 mm (27.4 inches)
Ground clearance 120 mm (4.7 inches)
Wheelbase 1425 mm (56.1 inches)
Fuel capacity 22.00 litres (5.81 US gallons)
Reserve fuel capacity 5.00 litres (1.32 US gallons)
Other specifications
Color options Blue/white, Black/white, Black/red
Starter Kick
Comments Differences to the 500 model: cylinders; gaskets; cylinder heads; upper engine case is different, would be needed to drill out for a 500 barrel fittment; big end crankshaft needle bearing has one less pin than the 500; 2 different RVs and both different to the 500, different inner-outer covers and rotary valves themselves, only in the center match, same durations; shorter clutch basket; shorter clutch hub; 8 instead of 9 clutch plates; shape of the carb needle, #135 main jet instead of #120 (500); exhaust pipes have thinner stingers and only there, the lower silencers themselves; 400+500 exhaust pipes are interchangeable; final ratio 15/41 instead of 16/40 (500); 525 chain instead of 530 (500); decals, but only on the side panels next to the front seat; 400 has the fuel integrated gauges; tank with fuel gauge output adaption; electrical harness has only a few wires more for fuel gauge; front break rotors are ´no´ floating type.
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Further information
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