Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles
Issue link: https://magazine.cyclenews.com/i/126992
R B a M • ~ .. ,. roo Q') ,........; ~ ~ • ,'5 ~1 ... l' 00 ,........; .... v ..0 8 v ;> 0 z Th e R1 OORS is o ne of three 100 0 cc boxer t wi ns BM W w ill m ar ket in 19B8 . It offers a tried -and-true engine with u pd ated f rame an d sus pension. / The 1988 model year will mark the return of BMW's IOOOcc boxer twin, which has been absent from the world of motorcycling -since BMW ceased production of big-borebo xers in 1985. BMW recentl y reintroduced a full lin e (three models ) o f th e RIOO, IOOOcc boxer twins, eac h Th e luxuri ou s K 1OOLT lon g- di stance t ouring bike offer s N ivomat sel f- . leveling rear suspension. and t hree acc essory electrical so cke ts f or 1 9 8 8. ' The R100RT. BMW's long-distance t ouring version of t he boxer t win. is eq uipped with a pai r of K-Series saddlebag s. ' 6 eq ui p ped wi th BMW 's trad em a rk a ir-coo led, ho ri zontall y-o ppo sed twin -cyl inder engine . The classic bo xer powerp lants in the R I00 m od el s hav e been co up led with th e lal est in BMW fram e an d suspe ns io n technol ogy der ived from th e co mpan y's success fu l K-bik e lin e. Fo r 1988. BMW con ti n uesto offer a full lin e o f its wat er-cool ed. threea nd four -cylin de r in -line K-bikes, incl ud ing two 750cc mod el s, th e K75C a n d K75S, as well as three 1000 cc m od el s, th e KIOORS, KIOORT , and KI OOLT. T he new R I00 line incl udes two co mple tely redes ig ne d bikes, th e spo rt tou rin g R IOORS and longdi stan ce touring RIOORT" as well as th e a ll- ne w RIOOe S dual spor t mo to rcycl e. which BMW ca lls a n "adve nt ure bike" designed for everything - co m m u ting, weekend sport 'rid in g o r long-distance tou rin g, The most unusual o f th e new RIOO motorycles is th e RIOOeS. Although it boasts a 1000cc eng ine, th e dual purpose m ot orcycle has a claim ed dr y weigh t of on ly 4 12 p ounds an d a reported wet weight o f 463 pounds. The maj or d ifferance between th e eS"model a nd th e R S a n d RT mod els is sus pe ns io n . Th e e s features BMW 's new Par al ever single-shoc k rear suspe ns ion wh ich produces 7.09 . in ch es of wh eel travel. U p front . 'a lon g -tr av el Marzocchi fork with 40m m sta nc hion tubes p roduces 8.85 in ch es o f tra vel. BMW cla ims th e es's Paral ever rear sus pe nsion elirn in at esthe irritating torque reacti on inh erent in m o st s ha f t-d r i ven motorcycl es, ' T he RS and RT em p loy BMW 's ! K-line m onol ever rear suspension . (si ngle shock: 4.8 in ch es o f tra vel ) a n d Kvtype front fo rk (38 .5 m m ' sta nc h io n tubes; 6.9 in ch es of travel ) wi th int egr at ed fork br ace. All three bikes em p loy tubular steel fram es with doub le front do wn tubes. T he co m p one nt th e three bik es have in co m mon is th e four-stroke, horizontall y-opposed , tw in -cylinder 980 cc e ng ine , whi ch reponedl y ge ne ra tes 60 horsepower a t 6500 rpm (the e s produ ces a cla ime d 58 horsep ow er at 6500 rpm ). The pushro d , two-v alv e-per -cylinder powerpl ant is fed by two 32m m Bin g co nsta nt velo city ca rbu retors. The RIOOs h ave a transistorized break erless ignition, 14 volt/ 200w altern ator, a n d a 12 volt, 25-amp-hour batt ery. Eac h bike boasts a five-sp eed transmission and is shaft driven. A h eavy-duty, one- inc h di am eter 'front axl e is fi tted o n all three models, as are ex tra large, l l .Z-inch front di sc brakes with double-acti on ca lipe rs (dual di scs o n the RS and RT. single o n th e e S). Stopping chores a re handled in th e rear by a 'sing le 7.9-inch drum . • In 1988, all RJOO models, as well as K75 and KIOO models , are filled