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Description
The Fatty Gold Series Pipe Is the Cornerstone of FMF's History. With Over 35 Years of Experience Behind It, FMF's Fatty Pipe Is the Industry Benchmark. Their Philosophy Is Simple - Give You More Power. More at the Crack of the Throttle, More in the Meaty Part of the Powerband, and More Over the Top. The Fatty Is a Symbol of FMF's Heritage and Dedication to Performance.
FEATURES
- Computer designed and dyno-tested to make power gains where each machine needs them the most
- Offer better bottom and top power
- Tru-Flo stamping process ensures a perfect fit and optimum performance
- Constructed of strong 19-gauge steel with a nickel-plated finish
Technical Specifications
- MFG. Part Number 020145
Vehicle Information
Yamaha YZ65 Dirt Bike (2018-2026)
The Yamaha YZ65, a high-performance junior motocross bike, was introduced as an all-new model in 2018 and has maintained a consistent mechanical platform through the 2018-2026 model years. It is powered by a robust 65cc (64.8cc) liquid-cooled, two-stroke, single-cylinder engine featuring a Keihin PWK28 carburetor and the Yamaha Power Valve System (YPVS) for a broad powerband. Throughout this period, the YZ65 has been offered as a single, standard model, with no distinct trims or sub-models. Updates have primarily focused on graphics, ensuring the core engine, chassis, and suspension specifications remain consistent from its 2018 debut to the 2026 models. FAQ:
Q: How can I ensure this product fits my Yamaha YZ65?
A: To guarantee compatibility, please use the year and edition selector at the top of this page. Q: Are there different trims or sub-models for the YZ65 (2018-2026)?
A: No, the Yamaha YZ65 has been consistently offered as a single, standard model across all years from 2018 to 2026.
Maintenance
| Component | Interval | Details |
| Engine Oil (Transmission Oil) | 5 hours (aggressive/race riding) or 10 hours (recreational riding) | Capacity approximately 0.5 liters. Use 10W-30 motorcycle oil or SAE 85 gear oil. |
| Spark Plug | Inspection/Cleaning every 10 hours | Replace if necessary. |
| Air Filter | Clean and inspect every 2-3 hours (aggressive/race riding) or 5 hours (recreational riding) | Clean more frequently in dusty conditions. |
| Coolant | Check level regularly. Replace annually (at most). | Inspect cooling system for any leakage. |
| Power Valve System (YPVS) Inspection | 10 hours (aggressive/race riding) or 20 hours (recreational riding) | |
| Top-End Inspection (Piston, Cylinder, Head) | 15-20 hours (aggressive/race riding) or 30 hours (recreational riding) | |
| Bottom-End Inspection (Crankshaft and Bearings) | 25-30 hours (aggressive/race riding) or 50-60 hours (recreational riding) |