Covers insert screw hole
Designed as a replacement grommet to cover the sound insert / spark arrester screw hole, this Yoshimura part helps finish off the end-cap area when an insert fastener opening needs to be capped.
Yoshimura · RS-9
The Yoshimura Rubber Grommet with Logo (GRMT) is a replacement service part designed to cover the sound insert / spark arrester screw hole on compatible muffler end-caps. It fits most Yoshimura carbon fiber end-caps, helping restore a clean, finished look after service or changes to an insert setup.
This grommet is not for RS-9 or RS-9T mufflers; for those applications, Yoshimura specifies GRMT-RS9 instead. Confirm the correct application before installation to ensure proper fit and coverage.
Designed as a replacement grommet to cover the sound insert / spark arrester screw hole, this Yoshimura part helps finish off the end-cap area when an insert fastener opening needs to be capped.
Yoshimura lists compatibility with most Yoshimura carbon fiber end-caps, making this a practical service replacement when maintaining or refreshing the muffler’s end-cap hardware details.
This GRMT grommet is not intended for RS-9 or RS-9T mufflers. Yoshimura directs those applications to GRMT-RS9, helping avoid ordering the wrong service part for those muffler types.
Sound
As part of Yoshimura’s Replacement Service Parts lineup, the GRMT rubber grommet is intended for straightforward replacement of the small end-cap piece that covers the sound insert / spark arrester screw hole. It’s a simple component, but it plays an important role in keeping the end-cap area looking complete and properly finished after maintenance or configuration changes.
Fitment
Yoshimura notes that this grommet fits most Yoshimura carbon fiber end-caps, but also calls out an important exception: it is not for RS-9 or RS-9T mufflers. Riders and builders working with RS-9 or RS-9T should reference the specified GRMT-RS9 option to match Yoshimura’s recommendation and avoid fitment issues.
| Part Number | GRMT |
|---|---|
| Brand | Yoshimura |
| Product Line | Replacement Service Parts |
| Series | RS-9 |
| Barcode | 00840025914186 |
