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2023 Beta 390 RR
300 RPM with 200 RPM increments plus a setting to disable the rev limiter
Powder coated
The band's worm drive is raised to give a smooth surface preventing hose damage
MOTORCYCLE REEDS 2020 Sherco 250 SEF-R Factory 2023 Beta 390 RRDual stage reeds Minor change gives major H. P. improvements Faster opening and closing Greater low pressure (Low throttle) response Greater velocity and flow area Longer overall life No engine damage if broken
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