1996 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 76Get this manual
Carburetor Mixture Adjustment
INote Before
proceeding, verify the low-speed needle initial settingRefer to Page 2-20, Step 9
1Start the engine and run it in FORWARD at one-half throttleAllow the engine to reach normal operating temperature
2Tiller modelsas you face the steering handle, turn the idle speed adjustment knob counterclockwise to full SLOW speed position