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Description
FEATURES
- All piston skirts are coated with a hi-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
- Cast Replica piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston
- Forged Replica pistons are forged from 2618 aluminum for superior strength and durability
- Forged High Compression pistons improve power and torque across entire rpm range
- Forged Big Bore pistons increase engine's displacement, torque, and peak horsepower
- Forged Replica pistons are forged OE replacements
- All pistons are heat treated with a T-5 hardening and tempering cycle
- Replica pistons and all rings are OEM replacements
- Kits include piston, rings, wrist pin and circlips
- Two stroke replacement rings are sold individually (Example if your piston has two rings you will want to order two rings)
- Four-stroke piston rings sold as a set
Technical Specifications
- MFG. Part Number 22915B
Vehicle Information
GAS GAS EX 350F Dirt Bike (2021-2025)
The GAS GAS EX 350F, offered from 2021 to 2025, is a prominent cross-country race bike known for its balanced performance. This off-road motorcycle consistently features a single-cylinder, liquid-cooled, DOHC 350cc engine, delivering impressive torque and over-rev capabilities suitable for demanding terrains. Throughout these years, it maintained a single trim level, focusing on its core mission as a competitive off-road machine. While the core engine remained consistent, the 2021-2025 period saw continuous refinements. The 2025 model year, in particular, marks a significant new generation for the EX 350F. Key updates include an all-new chromoly steel frame with enhanced flex characteristics, revised suspension settings featuring a WP Xact coil-spring fork, and a new Pankl Racing Systems six-speed transmission. These changes, alongside new engine mounts and chassis components, aim to further optimize performance and durability. Earlier years saw updates to suspension settings, electronics, and compression ratios. Q: How do I ensure I'm selecting the correct parts for my GAS GAS EX 350F?
A: Always use the year and edition selector on this page to confirm compatibility for your specific model year (2021-2025).
Maintenance
| Component | Interval | Details |
| Engine Oil Change | Every 5 to 15 hours | Interval varies by model year and riding style (recreational or aggressive/race-level). For recreational riding, intervals are typically 10-15 hours. For aggressive or race-level riding, they are 5-10 hours. |
| Oil Filter | Every 6,000 km | Recommended for most engines, often in conjunction with engine oil changes. |
| Air Filter Service | Every 5 to 15 hours | Interval varies by model year and riding style. For recreational riding, intervals are typically 10-15 hours. For aggressive or race-level riding, they are 5 hours. In dusty or muddy conditions, service after every ride. |
| Valve Inspections | Every 20 to 30 hours | Interval varies by model year and riding style. Intervals are generally 20-30 hours. |
| Top-End Inspections | Every 25 to 50 hours | Interval varies by model year and riding style. For recreational riding, intervals are typically 40-50 hours. For aggressive or race-level riding, they are 25-30 hours. |
| Bottom-End Inspections | Every 60 to 100 hours | Interval varies by model year and riding style. For recreational riding, intervals are typically 80-100 hours. For harsh conditions or aggressive riding, they are 60-80 hours. |
| Transmission | Regular check | The GAS GAS EX 350F uses a chain drive, not a belt. Regularly check chain tension and lubrication. |