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Allround · 1988

BX 125 Enduro

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MotoLibrary Score
39 /100 Commuter
Power/Weight
0.15 hp/kg
Top Speed
114 km/h
Engine
123 ccm

1988 Benelli BX 125 Enduro Technical Analysis & Specification Breakdown

Positioned in Benelli's allround motorcycle lineup, the 1988 Benelli BX 125 Enduro utilizes a 123 cc (7.5 cu in) liquid-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 17 HP (12.4 kW) at 7,000 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 138.2 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the BX 125 Enduro measures 112 kg (247 lbs) wet (curb), translating to a power-to-weight ratio of 0.15 HP/kg (6.59 kg per horsepower). The 10-liter (2.6 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 114 km/h (71 mph).

Within MotoLibrary's Benelli archive, this model family spans 4 indexed model years from 1987 to 1990, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
138.2 HP/L
Power-to-Weight
0.15 HP/kg (6.59 kg/HP)
Engine
Displacement 123.0 ccm (7.51 cubic inches)
Engine Type Single cylinder, two-stroke
Power 17.0 HP (12.4 kW)) @ 7000 RPM
Compression 11.5:1
Bore x Stroke 56.0 x 50.0 mm (2.2 x 2.0 inches)
Fuel Control Membrane
Cooling Liquid
Transmission
Gearbox 6-speed
Final Drive Chain (final drive)
Performance
Top Speed 114.0 km/h (70.8 mph)
Wheels & Brakes
Front Tyre 2.75-21
Rear Tyre 4.10-18
Front Brakes Single disc
Rear Brakes Expanding brake
Dimensions & Weight
Weight incl. 112.0 kg (246.9 pounds)
Fuel Capacity 10.00 litres (2.64 US gallons)
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Power
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Fuel Capacity
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Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🌍
Best For
All-Round & Adventure
⚖️
Handling
Very lightweight — easy to handle
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