Cycle News - Archive Issues - 1970's

Cycle News 1977 06 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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.. excessive amounts ofmoney? , Isyour . · eb . The pursuit of peak engine efficiency and economy can drive some motorcyclists to the brink of frustration. Yamaha owners, however, need only drive to the nearest Yamaha Dealership fora Genuine Yamaha Tune-Up Kit. • . Each kit contains exactly the right parts for a particular model and year of Yamaha motorcycle. There's no guesswork. No need to rely on a parts counterman who insists,"These are close enough:' Also, there's no risk of getting inferior parts. Our points, condensors and spark .' plugs are the finest available anywhere. Or we wouldn't be recommending them in our newbike warranty books. - ' O f course, the surprising thing is, this extra convenience and precision doesn't cost extra. We even toss in afree gap gauge and wrench. So look for the yellow and . black Genuine Yamaha TuneUp Kits. It could be the most economical way to attainpeak engme economy. The mysteries of misfiring revealed. An y motorcycle's electrical system produces o nly a certai n lim ited amount of voltage. To fun ction at all, worn ignition parts need much mor e of this voltage tha n new pans.Thus, they have much less reserve voltag~ left over for high RPM, high load operation . The result? \\brn parts misfire sooner. at lower RPM's.Your engine loses effi· ciency and economy. . lI:l ~ ~ ~ J . RPMlEngine lo~ Whenyouknowhowtheyre . built,you'llbuy aYamaha. / 3 ;

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