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Enduro - Offroad · 1989

DR Big 750 S (reduced effect)

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MotoLibrary Score
43 /100 Commuter
Power
27 HP
Top Speed
120 km/h
Engine
727 ccm

1989 Suzuki DR Big 750 S (reduced effect) Technical Analysis & Specification Breakdown

Positioned in Suzuki's enduro - offroad motorcycle lineup, the 1989 Suzuki DR Big 750 S (reduced effect) features a 727 cc (44.4 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 27 HP (19.7 kW) at 6,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 37.1 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the DR Big 750 S (reduced effect) measures 210 kg (463 lbs) wet (curb), translating to a power-to-weight ratio of 0.13 HP/kg (7.78 kg per horsepower). The 29-liter (7.7 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 120 km/h (75 mph).

Specific Output
37.1 HP/L
Power-to-Weight
0.13 HP/kg (7.78 kg/HP)
Engine
Displacement 727.0 ccm (44.36 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Power 27.0 HP (19.7 kW)) @ 6000 RPM
Compression 9.5:1
Bore x Stroke 105.0 x 84.0 mm (4.1 x 3.3 inches)
Valves/Cylinder 4
Fuel Control Overhead Cams (OHC)
Cooling Air
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Performance
Top Speed 120.0 km/h (74.6 mph)
Wheels & Brakes
Front Tyre 90/90-21
Rear Tyre 130/80-17
Front Brakes Single disc
Rear Brakes Expanding brake
Dimensions & Weight
Weight incl. 210.0 kg (463.0 pounds)
Fuel Capacity 29.00 litres (7.66 US gallons)
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Who Is This Bike For?

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Beginner
A2 license compatible, manageable power.
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Best For
Off-Road & Adventure
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