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/126009
.• • ; 1 ~ E 10 r--- (j) / ,......j ~ 0 c:<') s-. ~ .c 8 ~ ..... c, . ~ m How the D.H. Reed compares t o stock, and how much metal to remove to dear it. Figure 1 I L:30 0 J.050 .906 £:300 ! I I CJ -'1 W50J- I - -I CHAMPION SPARK PLUG MOTORCYCLE a.ASSICS ONTARIO MOTOR SPEEDW~ornARIO CA OCTOBER 4 & 5,1975 / 9.000 ) 1 '- f\. t300 _.) ) /./ 0 0 - Figure 2 JJ 1 o u t th e old chrome and then sen d it to Sup erior Plating Com p an y , 2500 Post Road , Fair field, Connecticu t 06430 and th ey can rep lace the chro me. If y ou are rebuildi n g yo ur stock cy lin de r, then you wi ll h ave to res leeve it be cau se b efore you get o ut to t he big bore size you will fin d th at you just run out of cylinder liner and struck alloy. Los Angeles Sleeve has sleeves for the YZ cylinder t hat will let y ou either go b ack to stock bore or on up to the 86cc engine size . The sleeve has a bridge in the exhaust and one in th e intake which will ' make 'p isto n ' and ring life longer. 3.8'" Their address is 3600 East Fo wler Street, Los Angeles, Califo rn ia 90063. One thing for sure, when yo u go pouring in the ho rsepower yo u be tter do so mething wi th the handling. Go back to the first part of thi s tech piece (CN No . 3 1, Aug. 12, 19 75 ) o n fram es. Something new for the YZ 80B: Bob Ot to w of Ottows Werks has made gas fo r k cap s for the minis. If you changc your forks over to air, I have found that they will take anywhere from 100cc to 140cc of oil per leg and 2 5 to 35 poun ds of air depending on the size an d weight o f-the rider. THE BIG BIKES ARE COMING! And along wi th the American Motorcycle Association's high speed two wheelers-the circuit's top and toughest riders. The reco rd breakers. The big boys. See 'em eat up the track whil e they co mpete for cycli ng's heavy prize money . You 'll want to cat ch all the acti on from the first flag on . So come on out-early! TI CKET INFORMATION: Ticke ts are available for purchase , at all Tick etron and Liberty outlets and Wall ich s Music Stores in Los Angeles, San Diego and San Franc isco. Ticket s also availab le at Ontario Motor Speedway Sox Off ice . AdYM C8 Ticket Prieel- Sal. Adult : $4.00. Sun. Adult: 57.00 Sal. Young Adult: $4.00 Sun . Young Adul t: 55.00 Two- day Adult : 510 .00 Two -day Young Adu lt: sa .OO VIP Super Tick et: 5 1500 v. crors Ci rcle Res, (Sun. Only): 510.00. For furth er tick et in fo rma ti on (714) 983 -58 11 or (714) 752· 6686. .J . ,,. -camel Aiten and Motoreyde RacIng. One tough combination to beat: Warning : T Surgeon General Has Determined he T C hai igarette Smoking Is Dangerous to YourHealth. 19 mg. "tar , l 3 mg. nicDtin. avoper cigarettl FTCReport MAR. '75, 7