KTM 125 SX 2026
Find technical data, prices and reviews.
Key Specification KTM 125 SX 2026
Engine and Drive Train
| Fuel system | Injection |
|---|---|
| Starter | Electric |
| Clutch Type | Multiplate in oil-bath |
| Transmission | Chain |
| Transmission Type | Gearshift |
| Number of gears | 6 |
| Cylinders | 1 |
| Strokes | 2-Stroke |
| Cooling | liquid |
| Lubrication | Mixed |
| Displacement | 124.8 ccm |
Suspension Front
| Front suspension | Upside-Down telescopic fork |
|---|---|
| Technology | Air fork |
| Brand | WP |
| Diameter | 48 mm |
| Travel | 310 mm |
| Adjustment | Compression, Rebound |
Suspension Rear
| Suspension | Swing arm |
|---|---|
| Shock absorber | Monoshock |
| Brand | WP |
| Travel | 300 mm |
| Adjustment | Compression, Rebound |
Chassis
| Frame | Chromium-molybdenum |
|---|---|
| Frame type | Double cradle, Central tube |
Brakes Front
| Type | Single disk |
|---|---|
| Diameter | 48 mm |
Brakes Rear
| Type | Disc |
|---|
Assistance Systems
| Advanced Rider Assistance Systems | Riding modes, , , |
|---|
Dimensions and Weights
| Front tyre diameter | 21 inch |
|---|---|
| Rear tyre diameter | 19 inch |
| Seat Height | 958 mm |
| Dry Weight | 92 kg |
| Fuel Tank Capacity | 7.2 l |
| License compliancy | A1 |
| Battery power (Volts V) | 12.8 V |
| Battery capacity (Amp-hours Ah) | 2 Ah |
| Ground clearance | 359 mm |
Price KTM 125 SX
Model year
Current average market prices
KTM 125 SX History
KTM 125 SX 2025
124.8 ccm
92 kg
£7,989.00avg. market price
KTM 125 SX 2024
124.8 ccm
92 kg
£7,706.00avg. market price
KTM 125 SX 2023
124.8 ccm
92 kg
£6,456.00avg. market price
KTM 125 SX 2022
124.8 ccm
87 kg
£5,423.00avg. market price
KTM 125 SX 2021
124.8 ccm
87 kg
£5,430.00avg. market price
KTM 125 SX 2020
124.8 ccm
87 kg
£4,901.00avg. market price
KTM 125 SX 2019
124.8 ccm
87 kg
£4,955.00avg. market price
KTM 125 SX 2018
124.8 ccm
87 kg
£4,516.00avg. market price
KTM 125 SX 2017
124.8 ccm
87 kg
£4,340.00avg. market price
KTM 125 SX 2016
124.8 ccm
87 kg
£4,150.00avg. market price
KTM 125 SX 2015
124.8 ccm
90 kg
KTM 125 SX 2014
124.8 ccm
90 kg
KTM 125 SX 2013
124.8 ccm
90 kg
KTM 125 SX 2012
124.8 ccm
90 kg
KTM 125 SX 2011
124.8 ccm
90 kg
KTM 125 SX 2010
124.8 ccm
90 kg
FAQ KTM 125 SX
- What is the current market price of the KTM 125 SX?
- The current average market price of a KTM 125 SX, year of manufacture 2025, is 7,330 GBP with an average mileage of 0 km.
- Which one is better? KTM 125 SX or {AlternativeBrandModel}?
- You can compare these two motorcycles here. You can find all pros and cons of the comparable model here.
- How about the availability of the KTM 125 SX?
- Compared to other Motocross bikes the availability is good. There are many KTM 125 SX bikes available on the market.
- How stable is the price of a used KTM 125 SX? What about the price trend?
- Looking at the year of manufacture 2008, the price stability of a KTM 125 SX was good compared to other Motocross bikes. The price trend was -13% in the first year, -14% in the second year and -5% in the third year.
- How popular is the KTM 125 SX?
- There is a very strong demand for a KTM 125 SX on the market. Test reports of this model are read on average often on the platform of 1000PS.
- What is the data source for the content on this page?
- The data comes from the online motorcycle magazine '1000PS'. 1000PS was founded in 2001. The company is based in Austria. Most of the content is published in German. However, the team also presents motorcycle test videos in English on YouTube. Here you can find 1000PS on Instagram.
TOP Comparisons
KTM 125 SX Pictures
Source: 1000PS
