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YAMAHA YZ250F 2017-2018 - Akrapovic Exhausts System - S-Y2MET14-CIBNTA
£1,290.00
Model Compatibility
- Yamaha YZ250F (2014–2018)
- Yamaha YZ250FX (2015–2018)
- Yamaha WR250F (2015–2018)
Note on Prior & Later Generations: If you own a 2019 or newer model of the YZ250F, this exhaust will not physically fit due to a complete generation overhaul of the frame spars and exhaust routing ports introduced that year. Later generations require part numbers
S-Y2MET15-CIBNTA (2019–2023) or S-Y2MET17-FDHLTA (2024–2026).
Key Performance Specifications
- Road Legality: Strictly not street legal. It is an un-catalysed competition system engineered exclusively for closed-course racetrack or off-road competitive use.
- Full Titanium Build: The entire system layout—including the header loop, conical intermediate link segments, internal cores, and the outer muffler body sleeve—is crafted from lightweight, high-grade titanium alloy.
- Weight Reduction: Shaves 0.9 kg off the backend mass compared to the original factory exhaust assembly, lowering the bike's upper centre of gravity to optimize cornering agility.
- Performance Maximisation: Drops internal backpressure to yield a maximum power boost of 2.0 hp (1.5 kW) at 6,250 rpm and adds 2.1 Nm of torque at 6,300 rpm, explicitly smoothing out low-to-mid range throttle snap.
- Noise Regulation Compliance: Custom-tuned with Akrapovič's patented internal chambers to manage exhaust pulses and cleanly satisfy strict FIM trackside competition noise thresholds.
- Tuning Requirements: True plug-and-play installation. It adapts seamlessly to stock ECU parameters with no mandatory fuel remapping required