In the past, Beta was mostly known for its motorcycle trials bikes. However, the Italian manufacturer has shaken that notion by continually improving its off-road motorcycles and dual sport models over the years. Beta’s flagship street-legal dirt bike—the 500 RR-S—sits atop the displacement list in the RR-S lineup. We ran the 478cc four-stroke machine on our in-house dyno to determine peak output from it. We documented 47.0 hp at 8,100 rpm and 32.6 pound-feet of torque at 7,200 rpm.
How Much Power Does The 2020 Beta 500 RR-S Make?
Dyno numbers on Beta’s largest-displacement street-legal dirt bike.

/cloudfront-us-east-1.images.arcpublishing.com/octane/TOQ7IBXN2BAV5MELGO5Y3W64UE.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/CSQ5SXR2QZEYLIH4GZVFYPKXNU.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/MLARWRCDL5HH3FYTXFXK26ARF4.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/QHHRQIMLX5DQREULLI7LJT2WOM.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/2MFKDMEXI5A2PAB2BCLJ4TE6CI.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/BCRBSND54FE3BDDWWMPP6LWCAY.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/53OLCW5X45HRTLKV5OVHFCJSJA.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/PUS7VYTISVCVXGLWRGNHS7ZR4M.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/UO25RAAEQJDIVLNGY2L7S4IRDQ.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/3GQBZGCTXRE35IIIOI22RBQSOU.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/OIT4RWYSOJGOFJE2LLVSYGMRXY.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/Z4GKM7BKVBAKDBN37S5R4QR4LA.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/ZM6HFGPAQVDAHFMPXXKVCUMU2U.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/7ZOMH2FJNFEADEHWZFX6FHY3K4.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/ISFX5A3DMVFTTIQ5KRPWB3H3ZA.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/GIHTRB2NO5CVZOI67OA7MZIIUA.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/OQTOGJIXLFGE3FJ6VUUOGXGA4U.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/PDTZXU7SXNDE3KYRJDRDBTBBEM.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/KR3TLUJC2RE3ZNASYNW4SPX5VU.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/T4SIVQJODRBGHCGMKHWAF5QYPM.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/KGUTD4RIKVBDTMQEDRWG63ZQUY.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/JT6FKWO56FAELEFKPOB4U6TBMA.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/DWVLPKLAJBCFXOKGPHQWEBUGEI.jpg)
/cloudfront-us-east-1.images.arcpublishing.com/octane/OZJOWLCCVJCIFGVQIDB34EB4TU.jpg)