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Description
Tusk reservoir caps are CNC machined from lightweight 6061-T6 aluminum for a perfect fit to replace your stock reservoir cap. Reservoir caps are anodized for corrosion resistance and to give your bike that factory look.
FEATURES
- Made from CNC machined 6061-T6 aluminum
- Anodized colors for corrosion resistance and to give your bike a factory look
Technical Specifications
- MFG. Part Number 143-955-0025
Vehicle Information
GAS GAS MC 250 Dirt Bike (1995-2026)
The GAS GAS MC 250 is an iconic motocross motorcycle, produced from 1995 to 2026. This series includes both two-stroke (MC 250) and four-stroke (MC 250F) models, each designed to deliver optimal track performance. Renowned for its handling and power, the MC 250 has evolved over the years to meet the demands of riders. The two-stroke MC 250 model primarily used a carburetor (Keihin PWK or Mikuni TMX 38) and a 6-speed transmission until 2023. A significant update in 2024 introduced electronic fuel injection (EFI) and a 5-speed gearbox. The four-stroke MC 250F, launched in 2021, underwent a major overhaul in 2024, including engine and chassis updates, with Factory Editions offering high-performance components. 2025 and 2026 brought further chassis refinements and aesthetic adjustments for both models. Q : How do I know if this part fits my GAS GAS MC 250?
R : To ensure compatibility, please use the year and edition selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Engine Oil (Transmission Oil) | Variable (5 to 15 hours) | 2025 MC 250: Recreational: every 15 hours. Aggressive/Race: every 10 hours. 2023 MC 250: Recreational: every 10 hours. Aggressive/Race: every 5 hours. 2010 EC 250 (similar MC 250): Recreational: every 10 hours. Aggressive/Race: every 5 hours. 2005 EC 250 (similar MC 250): Recreational: every 15 hours. Aggressive/Race: every 10 hours. Intervals can vary significantly by model year and riding style (recreational or race-level). |
| Air Filter | Variable (5 to 15 hours) | 2025 MC 250: Recreational: every 10 hours. Aggressive/Race: every 5 hours. 2023 MC 250: Recreational: every 15 hours. Aggressive/Race: every 5-10 hours. 2010 EC 250 (similar MC 250): Recreational: every 10 hours. Aggressive/Race: every 5 hours. 2005 EC 250 (similar MC 250): Recreational: every 10 hours. Aggressive/Race: every 5 hours. Inspect after each ride, especially in dusty environments, and clean or replace as necessary. |
| Spark Plug | Check and change as needed | The owner's manual indicates checking and changing the spark plug and spark plug connector. No specific hourly interval provided. |
| Coolant | Check level regularly, change periodically | The manual recommends checking antifreeze and coolant levels. Change periodically to ensure engine longevity and protect against freezing. |
| Chain | Every 5-10 hours | Cleaning and lubrication. The GAS GAS MC 250 uses a chain drive system, not a belt. |
| Oil Filter | With every oil change | Replace the oil filter with every oil change or as specified in the owner's manual. |