componentry of the bike , the new style gives the bike a very sleek , race-bred look . But Beta hasn ’ t just given the bikes a new look and revised suspension , with certain bikes in the range getting a broader hit with the upgrade stick .
TWO-STROKES For 2022 the RR300 two-stroke gets a completely revised engine . The new heart beats via an all-new , larger bore cylinder , new piston and a new powervalve . Naturally , a larger bore means a shorter stroke , which is achieved by a new shorter throw crankshaft . The cylinder head is also completely new , having been redesigned to accommodate the other changes to the engine . The RR300 breathes through a new smaller diameter silencer , with Beta claiming improved top-end performance and traceability of the engine . The 300 model also gains a new clutch , with smoother and less strenuous control action , more effective engagement and increased transmissible torque . This clutch also features a mechanically adjustable spring preload , offering a choice of three settings with a specific adjuster ring . Beta says that the new engine , combined with a dedicated new engine control unit map , boasts a smoother and more progressive response to throttle input and more linear power delivery . Despite the significant hike in maximum power , the bike as a whole is also easier to handle and more intuitive and forgiving to use than before . The RR250 also gets a clutch with diaphragm springs , with the idea behind this to make the
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