Factory Fatty Exhaust Pipe 22-26 Yamaha YZ 125 X - FMF 024077

The Factory Fatty 024077 exhaust from FMF Racing draws inspiration from the legendary “works” cone pipes once exclusive to factory teams, offering superior craftsmanship and high-grade materials throughout. Optimised for riders seeking enhanced performance across the power band, this exhaust broadens and smooths the power curve, delivering noticeable gains in low-end, midrange, and top-end power. Lightweight construction and carefully engineered flow transitions make it suitable for all riding styles.

Features

• Precision craftsmanship with hand-formed seams for efficient flow


• Lightweight 20 gauge steel body for reduced overall weight


• Durable 19 gauge steel header for added strength


• Enhanced power delivery from low RPM right through to over-rev


• O-rings included to aid in sealing (most models)


• Iconic “works” style look and performance


• Item ID: 024077


• Type: Pipes


• Carb Warning: no


• Weight: 4.0 lbs.

Specifications

• Body Material: 20 gauge steel


• Header Material: 19 gauge steel


• Weight: 4.0 lbs.

Vehicle Fitment

Yamaha

• YZ125 (2022–2026)


• YZ125X (2023–2026)