14 August. Friday 2026
KTM 125 Enduro Sport - 1986 Specifications and Reviews
The 1986 KTM 125 Enduro Sport is a lightweight single-cylinder offroad machine designed for amateur and recreational riders tackling trails and rough terrain. Known for its agile handling and easy-to-manage 109kg frame, it delivers reliable performance through a liquid-cooled engine paired with a six-speed transmission. This model epitomizes KTM's entry-level enduro philosophy, offering dependable adventure riding without overwhelming complexity.
General information | |
| Category | Enduro / offroad |
| Year | 1986 |
| Model | KTM 125 Enduro Sport |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | Membrane |
| Bore x stroke | 54.0 x 54.0 mm (2.1 x 2.1 inches) |
| Compression | 14.0:1 |
| Power | 6.80 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 109.0 kg (240.3 pounds) |
| | |
KTM 125 Enduro Sport dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Expanding brake |
| Rear tyre dimensions | 4.00-18 |
| Front tyre dimensions | 3.00-21 |
Speed and acceleration | |
| Top speed | 83.0 km/h (51.6 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 9.50 litres (2.51 gallons) |
Performance Profile & Rider Fit
6.8 hp
Peak Power
51.6 mph
Top Speed
Best For
Track10%
City25%
Cornering45%
Daily Riding20%
Touring15%
Passenger5%
Rider Profile
| Best For | This lightweight, low-powered vintage enduro suits beginners and riders comfortable with drum brakes and dated handling, rather than seasoned fast-road riders. |
| Purpose | Built for light trail riding, green-lane exploration, and casual off-road fun rather than any kind of speed or highway work. |
| Rider Fit | Its very low weight and small dimensions make it easy to manage for smaller or less physically strong riders, including standing on pegs over rough terrain. |
| Character | A playful, old-school two-stroke trail toy that rewards momentum-carrying, nimble riding rather than outright power. |
| Not Ideal For | Not for riders wanting highway speed, long-distance comfort, or a passenger-friendly machine. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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