Cycle News - Archive Issues - 1980's

Cycle News 1986 01 08

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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(.0 00 O'l ~ yem; every manuti motocrossers. ArUle fur the last three years, faeIn the case ofthis year's tory motocross teams have been Y2125, we've made a lot of divided into two distinct camps. changes. Not just superficial, Those that race $100,000 one-of-a-kind works bikes. And those that race $2,000 stock bikes. Which, of course, seems like an unfair advantage. Until you consider this: In 1984, Rick Johnson won the 250cc title aboard a stockYZ. In 1985, Broc Glover won And weve given it an ingenious cooling system that circulates coolant not oilly the&Ooccla~~astock YZ. And, in both years, stock YZ's were responsible for more than their fair share ofsupercross victories. All of which the competition undoubtedly saw as an unfair advantage. And so did the American Motorcycle Association. They stepped in and changed the rules. Now everyone will have to race stock bikes. Which either means we're three years ahead or theyre three years behind. The same difference as far as you're concerned. Of course, it would be a lot easier for them to catch up if we were standing sthl. But we're not cosmetic changes, but the dramatic kind. Like giving it a new enginethatsmore powetful than ever before. An engine incorporating a unique reed valve induction that delivers the mixture directly into the crankcase, instead of the cylinder. Weve given it a 34mm flatslide carburetor that dramatically improvesthrottle response. throughout the cylinder,butalso throughout the crankcase.The charge stays cooler and denser. 'franslation: more horsepower. There is, however, more to building a high-horsepower motocrosser than simply building in a lot of horsepower. You have to be able to get the horsepower to the ground 30-day wammly. IV

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