DIC MAINTENANCE AND MINOR REPAIR6-1223456789EAU21330ting the engine idlinggine idling speed must beand, if necessary, adjusted asat the intervals specified in themaintenance and lubricationostic tachometer is needed tois adjustment.ch the tachometer to the sparkg lead.t the engine and warm it upseveral minutes at00–2,000 r/min while occa-nally revving it to00–5,000 r/min.ine is warm when it quickly re-to the throttle.ck the engine idling speed, if necessary, adjust it to spec-tion by turning the throttle stopew. To increase the engineg speed, turn the screw in di-rection (a). To decrease the en-gine idling speed, turn the screw indirection (b).NOTE:If the specified idling speed cannot beobtained as described above, have aYamaha dealer make the adjustment.1. Throttle stop screwEngine idling speed:1350–1550 r/min(a)1(b)
