FMF Factory Fatty Pipe | Yamaha YZ65 | 2018-2026

FMF Factory Pipe for Yamaha YZ65

The FMF Factory Pipe for the Yamaha YZ65 brings a works-style look and race-focused two-stroke performance to young motocross riders. Designed to broaden and smooth the power curve, the Factory Fatty helps improve throttle response and deliver strong, usable power throughout the RPM range.

Key Features

• Brand Number: 024069
• Designed for improved two-stroke power throughout the power range
• Helps broaden and smooth out the power curve
• Works-style raw steel finish for a factory race look
• Lightweight 20-gauge steel upper section for weight savings
• Durable 19-gauge steel lower section for strength and durability
• Hand-pounded seams for smooth flow transition
• Great choice for motocross, race practice, and performance-focused YZ65 riders

Fitment

Factory Fatty vs. Gold Series Fatty

The Factory Fatty offers the same type of broad, usable two-stroke power increase as the standard Fatty, but with a raw works-style finish and hand-pounded seams for a factory race appearance. It is a great option for riders who want both performance and a more aggressive works-bike look.

Fitment information is provided as a reference only. Always confirm your year, make, model, and current exhaust configuration before purchasing.