Mid-displacement four-stroke dirt bikes for off ... According to Beta, the 350 RR weighs 237 pounds dry, without fuel in its 2.4-gallon tank. On our in-house dyno, the 350 RR Race Edition produces ...

Beta’s 350 RR Race Edition is not to be mistaken for ... (Mark Kariya/) The Italian-built fuel-injected liquid-cooled four-stroke 349cc single-cylinder engine has a bore of 88.0mm, stroke ...