Back to Bike FinderYears: 1990 · 1989 · 1988 · 1987 · 1986 · 1985 · 1984 · 1983 · 1982 · 1981 · 1980 · 1979 · 1978 · 1977 · 1976 · 1975 · 1974 · 1973 · 1972 · 1971
Hercules K 125 Military
1985Other

Hercules K 125 Military

Key specifications

Engine
124 cc
Power
13 HP
Fuel type
petrol
Fuel capacity
4.0 L
Transmission
5-speed
Front brakes
Expanding brake
Rear brakes
Expanding brake

Overview

### Introduction to the Hercules K 125 Military Motorcycle The 1985 Hercules K 125 Military motorcycle stands as a testament to rugged reliability and functional design, tailored for the demanding needs of military operations. Renowned for its durability and simplicity, this bike was developed in a time when two-stroke engines were at their peak, offering a lightweight solution for soldiers and off-road enthusiasts alike. With its military pedigree, the K 125 carved out a niche in the motorcycle market as a dependable steed, blending practicality with a touch of vintage charm. ### Engine Performance and Riding Characteristics At the heart of the Hercules K 125 is a spirited 124cc single-cylinder two-stroke engine, producing a punchy 12.5 horsepower at a thrilling 7000 RPM. This engine configuration not only delivers a surprising amount of torque for its size but also ensures a top speed of 94 km/h (58.4 mph), making it agile enough for both urban commuting and off-road escapades. With a compression ratio of 9:1, the K 125 thrives on a blend of efficiency and performance, allowing riders to navigate various terrains with confidence. The bike's 5-speed gearbox and chain final drive further enhance its responsiveness, making gear shifts smooth and intuitive, whether you're tackling trails or zipping through city streets. ### Key Features and Technology The Hercules K 125 Military motorcycle is designed with functionality in mind, featuring expanding drum brakes on both the front and rear wheels that provide reliable stopping power in diverse conditions. Its minimalist design is complemented by an air-cooled system, ensuring that the engine remains at optimal temperatures even during extended rides. Weighing in at 135 kg (297.6 pounds), this motorcycle strikes a balance between lightweight maneuverability and robust construction. With a fuel capacity of 15 liters (3.96 gallons), the K 125 is equipped for longer missions, boasting a range that keeps it operational for extended periods without frequent refueling. ###

Pros

    Cons

    • Durable Build: Designed for military use, it withstands tough conditions and rough terrain.
    • Lightweight: At just 135 kg, it’s easy to handle, making it perfect for off-road adventures.
    • Simple Maintenance: The two-stroke engine is straightforward, allowing for easy repairs and upkeep.
    • Limited Power: With only 12.5 HP, it may struggle on highways or steep hills compared to modern motorcycles.
    • Basic Features: Lacks the advanced technology and comfort features found in contemporary models.
    • Vibrational Ride: Two-stroke engines can be harsher on long rides, leading to fatigue in the saddle.

    Technical details

    Source specification data

    Make
    Hercules
    Model
    K 125 Military
    Category
    Unspecified category
    Power
    12.50 HP (9.1 kW)) @ 7000 RPM
    Gearbox
    5-speed
    Top Speed
    94.0 km/h (58.4 mph)
    Bore X Stroke
    54.0 x 54.0 mm (2.1 x 2.1 inches)
    Compression
    9.0:1
    Displacement
    124.00 ccm (7.57 cubic inches)
    Cooling System
    Air
    Engine Details
    Single cylinder, two-stroke
    Transmission Type Final Drive
    Chain
    Fuel Capacity
    15.00 litres (3.96 gallons)
    Weight Incl Oil Gas Etc
    135.0 kg (297.6 pounds)
    Rear Tyre
    3.50-18
    Front Tyre
    3.25-18
    Rear Brakes
    Expanding brake
    Front Brakes
    Expanding brake