Cycle News - Archive Issues - 1980's

Cycle News 1985 11 06

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/126845

Contents of this Issue

Navigation

Page 27 of 55

~ yem; every inanufac1 motocrossers. Arule that ~ sc .... v ...0 8 v ;;- For the lastthree years, factory motocross teams have been divided into two distinct camps. Those that race $100,000 one-of-a-kind works bikes. And those that race $2,000 stock bikes. Which, ofcourse, seems like an unfair advantage. Until . you consider this: In 1984, Rick Johnson won the250cc title aboard astockYZ. In 1985, Broc Glover won the 500cc class aboard a stock YZ. And, inboth years,stock YZ's were responsible for more than theirfair shareofsupercross victories. All ofwhich the competition undoubtedly saw as an unfair advantage. And so did the American Motorcycle Association.Theystepped in and changed the rules. Noweveryone will have torace stock bikes.Which either means we're three years ahead or they're three years behind. The same difference as far as yOu're"concerned, . Ofcourse, it would be a lot easierfor themtocatch up if we were standing still. But we're not o Z , 28 In the case ofthisyear's YZ125, weve made a lot of changes. Not just superficial, ..-.-..-e And weve given it an ingenious cooling system that circulates coolant not only Yamaha stockJust rose atRed Bitd. ~- . .'. . d,A... , ~ ~ '" ('/ 1 ' - ~ ~ ",,,.' cosmetic changes, but the dramatic kind. Like giving it a new enginethats more powerful .than ever before. Anengine incorporating a unique reed valve induction thatdelivers the mixture directly into the crankcase, instead ofthe cylinder. Weve given it a 34mm flat- . slide carburetor that dramaticallyimpravesthrottleresponse. throughout thecylinder,butalso throughout the crankcase.The charge stays cooler anddenser. Translation: more horsepower. Thereis, however, more to building a high-horsepower motocrosser than simply building in a lotofhorsepower.You have tobe able toget the horsepower tothe ground. 3O.day warranty. w""""ty I.",., arr limited. Set your Yama";' ,uakrfor,utails. Sp.ci/i£ations arr subjecl tocha"lf' wilJloul notic AlwayslIItar a Illl...., arultJlfp,..uclron. Desigmdforoff·road, O/>tratorus. 01J1y. «.

Articles in this issue

Archives of this issue

view archives of Cycle News - Archive Issues - 1980's - Cycle News 1985 11 06