PERIODIC MAINTENANCE AND ADJUSTMENT6-156EAU34301Adjusting the engine idlingspeedThe engine idling speed must bechecked and, if necessary, adjusted asfollows at the intervals specified in theperiodic maintenance and lubricationchart.The engine should be warm beforemaking this adjustment.Check the engine idling speed and, ifnecessary, adjust it to specification byturning the idle adjusting screw. To in-crease the engine idling speed, turn thescrew in direction (a). To decrease theengine idling speed, turn the screw indirection (b).TIPIf the specified idling speed cannot beobtained as described above, have aYamaha dealer make the adjustment.EAU21383Checking the throttle cablefree playThe throttle cable free play should mea-sure 3.0–5.0 mm (0.12–0.20 in) at theinner edge of the throttle grip. Periodi-cally check the throttle cable free playand, if necessary, have a Yamaha deal-er adjust it.1. Idle adjusting screw(b)(a) 1Engine idling speed:1150–1250 r/min1. Throttle cable free play1U39PE0E0.book Page 15 Tuesday, February 16, 2010 9:22 AM
