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Description
Rear sprockets are made from 7075 T-6 Aluminum alloy, Rear sprockets feature self-cleaning grooves to clear mud and increase sprocket life.
Technical Specifications
- MFG. Part Number 150U-520-52GBBK
Vehicle Information
Triumph TF 250 Dirt Bike (2024-2026)
The Triumph TF 250 series, spanning 2024 to 2026, marks Triumph's significant entry into the competitive dirt bike market. This versatile lineup includes motocross (TF 250-X), cross-country (TF 250-C), and enduro (TF 250-E) models. All variants are powered by a robust 249.95cc (or 250cc) liquid-cooled, DOHC, four-stroke single-cylinder engine, ensuring consistent performance across the range. The 2024 model year introduced the TF 250-X with a completely new engine, chassis, and electronics. For 2025, the TF 250-X received optimized fuel maps and updated graphics, with the fuel map update also available for 2024 models. The 2026 model year brought more substantial changes: the TF 250-X saw refinements like a new airbox, muffler, Exedy clutch, enhanced engine mapping, and updated suspension settings. Crucially, 2026 also introduced the purpose-built TF 250-C and TF 250-E models, featuring powertrains optimized for their specific disciplines, unique engine maps, tailored lightweight aluminum chassis, and premium KYB suspension. The TF 250-E notably includes a 6-speed gearbox and a larger 8.3-liter fuel tank. Q: How do I ensure I select the correct parts for my Triumph TF 250?
A: Please use the year and model selector at the top of the page to find parts specifically compatible with your motorcycle's exact configuration.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | 5 hours (aggressive/race riding) or 10 hours (recreational riding) | To be renewed at each specified interval. |
| Air Filter | TF 250-E: 5-10 hours (aggressive/race, depending on dust) or 15 hours (recreational). TF 250-X: 8 hours (aggressive/race) or 15 hours (recreational). | Clean the filter element and housing. |
| Spark Plug | As per owner's manual | Renew the spark plug and cap as recommended in the manual. |
| Coolant | Regular check | Check for leaks, inspect hoses, and adjust level as needed. No specific replacement interval is provided. |
| Top-End Inspections | TF 250-E and TF 250-X (except 2024): 25 hours (aggressive/race) or 50 hours (recreational). TF 250-X (2024): 40 hours (aggressive/race) or 50 hours (recreational). | |
| Bottom-End Inspections | TF 250-E and TF 250-X (except 2024): 50 hours (aggressive/race) or 100 hours (recreational). TF 250-X (2024): 80 hours (aggressive/race) or 100 hours (recreational). | |
| Valve Inspections | TF 250-E and TF 250-X (except 2024): 15 hours (aggressive/race) or 30 hours (recreational). TF 250-X (2024): 20 hours (aggressive/race) or 30 hours (recreational). |