Yoshimura · AT2
The Yoshimura AT2 Replacement End Cap Kit is a service-parts solution designed to fit all AT2 mufflers, making it a smart way to refresh a worn or damaged end cap without replacing the entire muffler. It features a matte finish carbon fiber end cap made in Yoshimura’s composites shop in Chino, California using heat resistant pre-impregnated lightweight carbon fiber.
It’s supplied as an end cap swap kit and includes rivets and a sound insert hole grommet to help complete the replacement with the right small parts on hand.
Fitment
Built specifically as an AT2 series replacement part, this kit is made to fit all AT2 mufflers. It’s ideal for riders looking to restore an AT2 canister after a tip-over or general wear, while keeping the exhaust’s original AT2 configuration.
Materials
The included end cap is a matte finish carbon fiber component produced with heat resistant pre-impregnated lightweight carbon fiber. It’s manufactured in Yoshimura’s composites shop in Chino, California for a consistent, purpose-built replacement piece.
Included
To support a straightforward end cap replacement, the kit includes rivets and a sound insert hole grommet along with the carbon fiber end cap. These included items help cover the key hardware details commonly needed when performing an end cap swap.
This Yoshimura kit is part of the Replacement Service Parts product line and is intended to support long-term ownership of AT2 mufflers. When an end cap is damaged or simply needs to be replaced, the AT2 Replacement End Cap Kit offers a direct path to restoring the muffler end cap area while staying within the AT2 series component design.
Engineering
The AT2 Replacement End Cap Kit centers around a matte finished carbon fiber end cap made with heat resistant pre-impregnated lightweight carbon fiber. Yoshimura notes that it is produced in its composites shop in Chino, California, aligning the replacement part with the brand’s composite manufacturing approach for the AT2 series.
Fitment
Fitment is provided for the models and model years shown in the fitment table, spanning multiple manufacturers where AT2 muffler applications exist. An installation PDF is provided on the product page to support the end cap swap process and help ensure the correct steps are followed when replacing the end cap, rivets, and sound insert hole grommet.
| Part Number | YM5-1-CFR-K |
|---|---|
| Brand | Yoshimura |
| Product Line | Replacement Service Parts |
| Series | AT2 |
| Shipping Weight | 1 lb |
| Barcode | 00840025915053 |
| Make | Model | Model Years |
|---|---|---|
| CFMOTO | 450NK | 2024–2026 |
| CFMOTO | 450SS | 2023–2026 |
| CFMOTO | 675SS | 2025–2026 |
| CFMOTO | 675SS-Kit | 2025–2026 |
| Honda | CB750-Hornet | 2025–2026 |
| Honda | CBR1000RR | 2017–2026 |
| Kawasaki | NINJA-500 | 2024–2026 |
| Kawasaki | Ninja-650 | 2017–2026 |
| Kawasaki | Z500 | 2024–2025 |
| Kawasaki | Z650 | 2017–2026 |
| Kawasaki | Z900 | 2017–2024 |
| Kawasaki | ZX-10R-RR | 2021–2026 |
| Kawasaki | ZX-4RR | 2023–2026 |
| Kawasaki | ZX-6R | 2019–2026 |
| KTM | 790-DUKE | 2019–2020 |
| KTM | 890-DUKE-R | 2020–2021 |
| Suzuki | GSX-8R | 2024–2026 |
| Suzuki | GSX-8S | 2023–2026 |
| Suzuki | GSX-8T-TT | 2026 |
| Suzuki | GSX-R1000 | 2017–2027 |
| Suzuki | GSX-R600 | 2011–2026 |
| Suzuki | Hayabusa | 2022–2026 |
| Suzuki | SV650 | 2017–2026 |
| Suzuki | SV650X | 2019–2026 |
| Triumph | Street-TRIPLE | 2018–2023 |
| Yamaha | MT-07 | 2018–2026 |
| Yamaha | MT-09-FZ-09 | 2021–2026 |
| Yamaha | MT-10 | 2022–2026 |
| Yamaha | XSR900 | 2022–2025 |
| Yamaha | YZF-R6V | 2006–2020 |
| Yamaha | YZF-R7 | 2022–2026 |
| Yamaha | YZF-R7-Kit | 2022–2025 |
| Yamaha | YZF-R9 | 2025–2026 |
Fitment as listed by Yoshimura for part number YM5-1-CFR-K.
Instructions / What's Included (PDF)
Provided by Yoshimura. Opens in a new tab.
