
CHINO, CA – May 22, 2021 – (Motor Sports NewsWire) – Introducing the RS-4 for 2021 Honda CRF300L and Rally dual-sport motorcycles.
One of the fastest growing segments of the motorcycle market is the Dual Sport segment and we love the smaller bore dual sport bikes as they are an entry level to get more riders into the sport.
We stepped up to the plate and developed our RS-4 slip-on and full system for the all-new Honda CRF300L and Rally edition, the results were fantastic! Our slip-on provides 14.2% more max power on the bottom end of the spectrum paired with equal top end power as the stock unit. The full system gives the new CRF 5.9% max HP while improving the power across the entire spectrum enabling the 286cc engine to optimize performance while saving significant weight.
The sound of the RS-4 is unmistakable, on idle and under load the exhaust note is music to ones ears. Also available is our USFS approved spark arrestor for those riders wishing to take to the trails in the great outdoors. Part # SA-13-K-1
Stylizing the Honda CRF300L is easier than ever with our legendary Fender Eliminator Kit and Turn Signal Plates to really customize the look of one of the most fun entry level bikes on the market.
Our RS-4, Fender Eliminator Kit and Turn Signal Plates are all proudly developed, designed and made in the USA.
Our RS-4 makes the CRF300 come alive and is just what this new dual sport needs!
Cleaning up the backend never was easier, thanks to our Fender Eliminator Kit paired with our LED turn signals and turn signal plates. All sold separately.

2021 Honda CRF300L/Rally Pricing and Info
2021 Honda CRF300L/Rally RS-4 Race Series SO SS/SS/CF
Part #123412D520
MSRP: $519.00
Hi-res images available here: https://www.dropbox.com/sh/si95s6zhds6g92a/AAD9oT2SCsKv3g5pNdw7sn9Ya?dl=0
QUALIFIED MANUFACTURER DECLARED “MODIFIED PART”
This product is designed and intended for closed course competition use only and is labeled as such, i.e. Yoshimura “RACE SERIES.” Yoshimura RACE SERIES products are neither designed nor intended for use on PUBLIC ROADS or LAND. Such use is prohibited by Federal and State regulations.
2021 Honda CRF300L/Rally RS-4 Race Series FS SS/SS/CF
Part #123410D520
MSRP: $619.00
Hi-res images available here: https://www.dropbox.com/sh/sioa6kbwnbkuzhj/AAA44RjQD9-OruRfLxpEPjTla?dl=0
QUALIFIED MANUFACTURER DECLARED “MODIFIED PART”
This product is designed and intended for closed course competition use only and is labeled as such, i.e. Yoshimura “RACE SERIES.” Yoshimura RACE SERIES products are neither designed nor intended for use on PUBLIC ROADS or LAND. Such use is prohibited by Federal and State regulations.
Weights:
Stock system: 12.3 Lbs.
Stock muffler: 10.0 Lbs.
Yoshimura RS-4 slip-on: 7.6 Lbs.
Yoshimura RS-4 full system: 9.5 Lbs.
2021 Honda CRF300L/Rally Fender Eliminator Kit
Part #070BG123410
MSRP: $119.00
Hi-res images available here: https://www.dropbox.com/sh/lwujzedotkdgk4a/AABqknOGWaf-NE_E7_5BcRhqa?dl=0
2021 Honda CRF300L/Rally FRONT Turn Signal Adapter Plates
Part #073HA121210
MSRP: $46.95
Hi-res images available here: https://www.dropbox.com/sh/k3u8itq6nsaznom/AAB9ay6q656yZlI0wHZsUs-0a?dl=0
2021 Honda CRF300L/Rally REAR Turn Signal Adapter Plates
Part #073BG123410
MSRP: $19.95
Hi-res images available here: https://www.dropbox.com/sh/or8am81kqoujn7t/AAA1uJNcqsQWkI4IRJYuhl1ta?dl=0
About Yoshimura
Yoshimura is “The Leader in Performance” and has been for over 65 years. With unmatched skills, knowledge and passion for racing, Yoshimura is on the forefront of the aftermarket. Yoshimura exhaust systems are race bred and feature the same legendary performance, fit, and quality that has been our trademark for six decades. To learn more about Yoshimura and view their wide variety of performance products, visit www.yoshimura-rd.com.
Source: Yoshimura Research and Development of America
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