1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 45Get this manual
1.j3l2Tiller modelsturn the idle speed knob fully counterclockwise to the full SLOW position3Start the engine and allow it to reach normal operating temperature4When speed is reduced, engine must idle at 700 25 RPM in FORWARD gearStop the engine 5Adjust the idle speed screw to change idle speed L Adjust the throttle
r:;-;;-] 6Tiller ModelsRemove throttle cable bracket screwcable bracket to provide slight preload against the idle speed screw when the Twist-Grip is held at the full SLOW position
7Run engine in gear at, or near, full throttle for one minuteQuickly reduce speed to SLOW (700-800 RPMI and shift into NEUTRALEngine should continue to run smoothly8If engine stalls or backfires, the idle mixture is too leanRefer to Carburetor Adjustment, Section 2Shift Lever Detent Adjustment 1Rotate propeller shaft and move the shift lever to NEUTRAL positionf16l2The lower detent spring should be fully engaged in notch of the shift lever detent3To adjust, loosen the detent retaining screwMove the lower detent spring to fully engage notchTighten the screw securely