Yoshimura · R-77
The Yoshimura R-77M Premium Repack Kit is a replacement service-parts kit designed to refresh the packing in Yoshimura Road exhaust systems. Yoshimura notes that these systems should be repacked every 7,000 - 10,000 miles to help the exhaust continue working as intended.
As packing becomes dirty over time, Yoshimura explains it can restrict airflow from the motor, which can lead to power loss and a decline in sound quality. Repacking the muffler restores freer airflow and helps bring back lost power while improving exhaust sound. See the fitment table below for the specific BMW, Honda, Kawasaki, KTM, and Yamaha models and years this kit is listed for.
Yoshimura indicates Road exhaust systems need repacking every 7,000 - 10,000 miles. Following that interval helps keep the muffler operating the way it was designed, especially as packing condition changes with normal use over time.
According to Yoshimura, dirty packing restricts airflow from the motor, resulting in lost power and degraded sound. Refreshing the packing is intended to allow freer airflow again, restoring lost power and improving the exhaust note.
This kit includes premium packing material along with the small parts and identifiers needed for the job, including rivets, a rivet band, an R-77 name badge, and repack instructions to guide the service process.
Performance
Repacking is a key maintenance step for Yoshimura Road exhaust systems. Yoshimura explains that as the packing becomes dirty it can restrict airflow from the motor, which can cause a loss of power and a reduction in sound quality. Servicing the muffler with fresh packing is meant to restore freer airflow, bringing the exhaust back toward the performance and sound characteristics it was designed to deliver.
Included
The R-77M Premium Repack Kit is set up to support a thorough refresh of the muffler packing. Included components are premium packing material, rivets, a rivet band, an R-77 name badge, and repack instructions. With these pieces together, the kit is intended to streamline the repacking process and replace key consumables and fastening items during service.
Fitment
This Yoshimura replacement service-parts kit is listed for select BMW, Honda, Kawasaki, KTM, and Yamaha applications, with coverage varying by model and model year. Confirm the exact match for the motorcycle using the fitment table on the page. An installation PDF is provided on the product page to support the repacking procedure and help ensure the kit’s components are installed correctly.
| Part Number | REPACK-R77M-ADV |
|---|---|
| Brand | Yoshimura |
| Product Line | Replacement Service Parts |
| Series | R-77 |
| Shipping Weight | 4 lb |
| Barcode | 00840025909410 |
| Make | Model | Model Years |
|---|---|---|
| BMW | G310GS | 2018–2024 |
| BMW | G310R | 2018–2024 |
| Honda | CBR300R | 2015–2022 |
| Kawasaki | KLE500 | 2026 |
| KTM | 390-DUKE | 2017–2020 |
| KTM | RC390 | 2015, 2017–2020 |
| Yamaha | FZ-07 | 2015–2017 |
| Yamaha | MT-07 | 2018–2026 |
| Yamaha | XSR700 | 2018–2026 |
| Yamaha | YZF-R7 | 2022–2026 |
| Yamaha | YZF-R7-Kit | 2024–2025 |
Fitment as listed by Yoshimura for part number REPACK-R77M-ADV.
Instructions / What's Included (PDF)
Provided by Yoshimura. Opens in a new tab.
