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Description
The Turbinecore 2 uses the exclusive "Turbine Dampening System". This top-notch product has well earned its U.S. Forest legal status. The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power.
NOTE: This item may be subject to additional shipping charges.
Technical Specifications
- MFG. Part Number 025189
Vehicle Information
KTM 125 SX Dirt Bike (1992-2026)
The KTM 125 SX, a motocross staple from 1992 to 2026, consistently features a 124cc to 124.8cc two-stroke, liquid-cooled, single-cylinder engine. While no distinct "trims" beyond the standard 125 SX are widely marketed, the model has undergone continuous evolution. Significant generational changes include a brand-new engine in 1998, a shift from a six-speed to a five-speed transmission in 2003, and a completely new engine generation, frame, and suspension in 2016. A major overhaul in 2023 introduced throttle body injection (TBI) fuel-injection, an electronic power valve, electric start, and a new frame design, marking a significant technological leap for the series. FAQ:
Q: How do I ensure I select the correct parts for my KTM 125 SX?
R: To guarantee compatibility, please use the year and edition selector on this page. This will filter parts specifically designed for your motorcycle's model year.
Maintenance
| Component | Interval | Details |
| Engine Oil (Transmission Oil) | Every 5 to 10 hours | 5 hours for aggressive/race-level riding, 10 hours for recreational riding. Replace oil filter with each oil change. |
| Oil Filter | With each transmission oil change | |
| Drive Belt | Not applicable | The KTM 125 SX is a two-stroke dirt bike and does not use a drive belt. |
| Spark Plug | Check and adjust periodically | Replace as needed. Some manuals mention replacement during general service. |
| Air Filter | Every 2 to 15 hours | Inspect and clean after every ride or every 5-10 hours. Replace if damaged or excessively dirty. Intervals range from 2-3 hours (aggressive) to 15 hours (recreational). |
| Coolant | Check level periodically | Replace as per owner's manual recommendations. |
| Top-End Inspection (Piston and Cylinder) | Every 20 to 50 hours | 20-30 hours for aggressive/race-level riding, 40-50 hours for recreational riding. |
| Bottom-End Inspection (Crankshaft and Bearings) | Every 40 to 100 hours | 40-60 hours for aggressive/race-level riding, 80-100 hours for recreational riding. |
| Power Valve Inspection | Every 20 to 30 hours | 20 hours for some older models (e.g., 1994), 30 hours for newer models. |
| Chain Maintenance | After every ride or every 10 hours | Clean and lubricate. |
| Brake System | Check regularly | Check pad thickness and fluid levels. |