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Description
FEATURES
- Complete assemblies, ready to install into the shock body
- Made from 6061-T6 aluminum and the same custom elastomer as our fork seals
- All have air bleed holes to help remove air from the oil reservoir during installation
- Double-lip oil seal designed to keep out dirt and keeps friction low
- Some models have updated designs for easier installation
- Includes aluminum body, dust seal, bushing, oil seal, O-ring, internal guide bushing/washer, snap ring and top out bumper
- Made in the U.S.A.
Technical Specifications
- MFG. Part Number 37-1125
Vehicle Information
Husqvarna TC 125 Dirt Bike (2014-2026)
The Husqvarna TC 125, a formidable 2-stroke motocross machine, has been a consistent performer from 2014 to 2026. Throughout this period, it has maintained a stable engine displacement of 124.8 cc, with horsepower generally around 40 HP, ensuring a powerful and agile ride. The TC 125 is offered as a single, dedicated motocross model, without distinct "Pro" or "Limited Edition" trims. Instead, Husqvarna has implemented significant annual updates and generational changes to enhance its performance and rider experience. Key generational advancements include a new-generation engine in 2016, boosting power and reducing weight, alongside a redesigned chassis for improved rigidity. 2017 brought the advanced WP AER 48 fork and further weight reductions. A major generational shift occurred in 2023, introducing Electronic Fuel Injection (EFI) with a 39 mm throttle body and an electric starter, coupled with an advanced chassis for enhanced flex and agility. The 2026 model continues this evolution with further chassis refinements and updated components. FAQ:
Q: Is this product compatible with my Husqvarna TC 125?
A: To ensure perfect compatibility, please use the year and edition selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Engine Oil (Gear Oil) | Every 5 to 15 operating hours | 5 to 10 hours for aggressive or race-level riding; 10 to 15 hours for recreational riding. Or after every race. |
| Oil Filter | With each oil change | Generally recommended to replace the oil filter during each oil change for optimal engine health. |
| Spark Plug | Every 10 operating hours or after every race | Includes spark plug connector. |
| Air Filter | Every 2 to 15 operating hours | 2 to 5 hours for dusty/muddy conditions or aggressive/race-level riding; 10 to 15 hours for recreational riding. Clean filter and airbox after every race or every 10 hours. |
| Coolant | Check regularly, change as per manual | Check levels before every ride. Inspect cooling system if engine overheats. |
| Belt | Not applicable | The Husqvarna TC 125 is a two-stroke motocross motorcycle and does not use a drive belt. |
| Top-End Inspections (Piston, Cylinder) | Every 30 to 60 operating hours | Intervals vary depending on riding style (aggressive or recreational). |
| Bottom-End Inspections (Crankshaft, Bearings) | Every 50 to 100 operating hours | Intervals vary depending on riding style. |
| Chain Maintenance | Every 5 operating hours or after every ride | Clean and lubricate the chain. |
| Brake Inspection | Every 10 operating hours | Inspect brake pads and fluid levels. |