Beta 300 4T Gas Gas 300 Rac­ing

Would you be­lieve that Ital­ian mo­tor­cy­cle man­u­fac­turer Beta has had a four-stroke tri­als model avail­able for more than 10 years? The suc­cess of the two-stroke tri­als mod­els speaks vol­umes for them­selves, and the brand has been fur­ther en­dorsed over the la


As with the ma­jor­ity of the tri­als man­u­fac­tur­ers, there are no ‘new’ mod­els just a con­tin­ual evo­lu­tion of an al­ready good ma­chine. The 2018 model Beta is no dif­fer­ent in that area and, as you will read, the changes fur­ther en­hance the progress of im­prov­ing the ma­chine’s per­for­mance in all ar­eas. EN­GINE PER­FOR­MANCE Fur­ther devel­op­ment has re­sulted in the use of a spark plug that has been man­u­fac­tured to en­ter fur­ther into the com­bus­tion cham­ber. In as­so­ci­a­tion with a new twin-spark con­trol unit, this en­sures im­proved com­bus­tion to boost per­for­mance and more pre­cise throt­tle oper­a­tion. The four-stroke en­gine brak­ing ef­fect has been re­duced with the in­tro­duc­tion of a larger ca­pac­ity oil pump aimed at elim­i­nat­ing the on-off ef­fect at low revs. Fur­ther en­gine per­for­mance has been achieved by a re­vi­sion of the in­ter­nals of the ex­haust sys­tem, with the re­sult be­ing a quicker throt­tle re­sponse and a very lin­ear power de­liv­ery. CHAS­SIS AND AES­THET­ICS The sus­pen­sion pack­age has come in for some close at­ten­tion and is cal­i­brated to give a greater pro­gres­sion in the stroke in ab­sorb­ing and damp­ing on ma­jor im­pacts. This gives the rider a much more con­trolled per­for­mance from the 38mm Ø Beta front forks and a Sachs ad­justable unit giv­ing a 62mm stroke at the rear. For the ease of ser­vic­ing both of the front fork legs now use the same amount of oil to sim­plify mat­ters. Both alu­minium wheel hubs have seen an im­prove­ment to in­crease re­li­a­bil­ity, and have been re­in­forced in the key ar­eas around the disc and sprocket mount­ing ar­eas in case of a heavy im­pact. A sleeker ap­pear­ance to the ‘Sin­gle Wave Beam’ alu­minium frame has been achieved with fresh aes­thet­ics fur­ther en­hanced by the use of black wheels sup­ported with Beta branded de­cals. The whole pack­age has a very light com­pet­i­tive look to stand proudly on any show­room floor.


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