Cycle News - Archive Issues - 1980's

Cycle News 1985 03 06

Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles

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a: ~ ~ w ::E ..J lD en 0 0 I- :I: ll.. U") 00 O'l ~ sc ...c: u .... ro ~ By Kit Palmer For the past two years Honda 's CR250R h as been a' favorite weap o n for the serious priva teer and semi-serious weekend racer. In 1983 the CR was the best 250cc motocrosser o n the track. For 1984 the H o n da got even better with more power a nd better handling. Man y people 12 felt the 1984 CR250R was still th e best , while some felt Su zuk i's RM250 was a head due to su perior suspe nsio n. At a ny rat e in 1984 th e co m pe titio n was gain ing ground on H onda. Now the 1985 Honda CR250R is h ere, but wh ether or not th e H onda is still th e best rema ins to be seen. The latest CR250R isn ' t ra dica lly cha nged - refined is th e word. Cos meti c cha n ges include redesigned radia tor shrouds, resh aped fenders and side panels, an d new grap hi cs with blue fork boots. Some H onda riders complai ned th at th e 1984 C R didn 't have en ough low en d, and 1985 porting specs have cha n ged tha t. Also new is that a bridge ha s been added betw een th e exha u st ports to help elim inate problems wi th a crac ked and , or shattered p iston - a trouble C R250s have had for severa l yea rs. The 60 x 72mm bor e and stroke and 8.6: I co mp ression ra tio remain th e sa me in the 246cc, liq u id -coo led two- stroke en gine . The Autom atic Torque Amplifica tion Chamber (ATAC) is completely redesigned for easier maintenance. The ATAC system in las t yea r's CR was cast into th e front section o f the cylinder, bu t is now located on the exhau st cham ber - lik e last year's CR125. Water-cooling has been improved by red esigning the cylinder head passageways to improve flow , and the

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