FMF Factory Fatty Pipe 024069 - Yamaha YZ65 2018-2026
Product Description
Equip your Yamaha YZ65 with the FMF Factory Fatty Pipe 024069, reminiscent of the traditional "works" or cone pipes once trusted by factory race teams. Sharing the exact same level of craftsmanship and material quality, this expansion chamber broadens and smooths out the power curve while boosting performance across the entire powerband[cite: 1].
Designed with a lighter 20-gauge steel body and a heavier 19-gauge steel header portion, it features hand-pounded seams to ensure smooth flow transitions[cite: 1]. No matter what type of off-road riding or track racing you tackle, the Factory Fatty delivers the enhanced low-end pull, mid-range punch, and increased over-rev you need[cite: 1].
Top Features: FMF Factory Fatty Pipe
- Modeled after the "works" or cone pipes used by factory race teams with identical craftsmanship[cite: 1].
- Broadens and smooths out the power curve with gains across the low-end, mid-range, and over-rev[cite: 1].
- Constructed using a lighter 20-gauge steel body paired with a durable 19-gauge steel header[cite: 1].
- Hand-pounded seams guarantee smooth flow transitions for optimum exhaust scavenging[cite: 1].
Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.
Fitment List
| Year Range |
Vehicle Brand |
Vehicle Model & Sub-Model |
| 2018-2026 |
Yamaha |
YZ65 |
Frequently Asked Questions
Q: What gauge steel is used in the construction of the Factory Fatty?
A: It utilizes a lighter 20-gauge steel for the main body and a tougher 19-gauge steel for the header section[cite: 1].
Q: How does the Factory Fatty change the power delivery compared to stock?
A: It broadens and smooths out the entire power curve, delivering more low-end, stronger mid-range, and increased over-rev[cite: 1].
Expert Pro-Tip: Because the Factory Fatty uses unplated works-style steel to replicate factory team setups, wipe it down lightly with a rust-preventative oil or WD-40 after washing your bike to keep the metal from oxidizing.
Recommended Pairings:
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