Yamaha YZF 250 – High-Performance Motocross Machine
The Yamaha YZF 250 is a top-tier motocross bike engineered for riders who demand agility, power, and advanced technology on the track. The 2025 model features a lighter, sharper design with a lower center of gravity, new suspension linkage, and enhanced ergonomics for superior control and faster cornering. Its proven 250cc four-stroke engine delivers responsive top-end power, making it a favorite among competitive racers and serious enthusiasts alike.
Key Features
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Lightweight bilateral aluminum frame for increased agility and stability
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Revised KYB suspension with new linkage and settings for improved traction and comfort
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Optimized ergonomics with flatter seat and narrower radiator shrouds for better control
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Advanced electronics including Power Tuner App, traction control, and launch control
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Efficient air management for better power delivery and compliance with noise regulations
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Convenient electric start for quick restarts on the track
Specifications
| Specification | Detail |
|---|---|
| Engine Type | 4-stroke, liquid-cooled, DOHC, 4-valve, single cyl. |
| Displacement | 250cc |
| Bore x Stroke | 77.0 x 53.6 mm |
| Compression Ratio | 13.8:1 |
| Fuel System | Fuel Injection |
| Starter System | Electric |
| Transmission | 5-speed, constant mesh, chain final drive |
| Frame | Semi double cradle, aluminum |
| Front Suspension | KYB inverted fork, fully adjustable |
| Rear Suspension | KYB single shock, fully adjustable, new linkage |
| Front Brake | Hydraulic disc |
| Rear Brake | Hydraulic disc |
| Front Tire | 80/100-21 Dunlop® Geomax MX33 |
| Rear Tire | 110/90-19 Dunlop® Geomax MX33 |
| Seat Height | 975 mm (38.4 in) |
| Wheelbase | 1481 mm (58.3 in) |
| Wet Weight | 103 kg (227 lbs) |
| Fuel Capacity | 6.8 L (1.8 US gal) |
The Yamaha YZF 250 stands out for its blend of cutting-edge technology, race-proven performance, and rider-focused design making it a top choice for motocross athletes looking to dominate the competition.
Head Pistons Yamaha 250 YZF
Head pistons for the Yamaha 250 YZF are available from leading manufacturers such as Wiseco, JE Pistons, and CP Pistons. Designed specifically for the Yamaha 250 YZF engine, these pistons offer reliable performance and durability, making them a popular choice for motocross and off-road riders. Whether you are rebuilding your engine or looking to enhance its reliability, aftermarket head pistons for the Yamaha 250 YZF provide a trusted solution for both riders and mechanics.
Head Rods Yamaha 250 YZF
Head rods for the Yamaha 250 YZF are essential engine components designed to deliver strength and reliability for motocross and off-road riding. Sourced from trusted manufacturers, these connecting rods are engineered to match the performance demands of the Yamaha YZ250F engine, ensuring smooth operation and long-lasting durability. Whether you’re performing routine maintenance or a complete engine rebuild, head rods for the Yamaha 250 YZF provide the dependable quality riders expect for peak performance on the track or trail.
Head Yamaha 250 YZF
The head for the Yamaha 250 YZF is a crucial component of its high-performance, competition-ready engine. Known for its innovative reverse-head design, the Yamaha 250 YZF cylinder head plays a key role in delivering the bike’s renowned power and responsiveness. This advanced engineering helps maximize airflow and combustion efficiency, contributing to the YZF’s strong acceleration and agile handling on motocross tracks. Whether you’re maintaining, rebuilding, or upgrading your Yamaha 250 YZF, selecting a quality head ensures optimal engine performance and reliability for both racing and recreational riding.
Headers Yamaha 250 YZF
Headers for the Yamaha 250 YZF are designed to boost exhaust flow and enhance overall engine performance, making them a popular upgrade for motocross and off-road riders. Leading brands like Yoshimura and Pro Circuit offer stainless steel header systems that are engineered for durability, improved throttle response, and increased power output. These headers are often paired with matching mid-pipes and mufflers to provide a complete exhaust solution, meeting both racing and off-road requirements. Whether you’re looking for better acceleration or a more aggressive exhaust note, aftermarket headers for the Yamaha YZF 250 deliver reliable performance and a professional finish.
Engine Valves Yamaha 250 YZF
Engine valves for the Yamaha 250 YZF are critical components that ensure optimal airflow and combustion within the engine. Manufactured to precise specifications, these valves provide durability and reliable performance under the demanding conditions of motocross and off-road riding. Whether you need replacement valves for maintenance or performance upgrades, high-quality engine valves for the Yamaha YZF 250 help maintain engine efficiency, power delivery, and longevity. Trusted by riders and mechanics alike, these valves are essential for keeping your bike running at its best.
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