1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 84Get this manual
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4Inspect float needle and seat for wear or distortionReplace both pieces if damage is noted5Inspect throttle body and throttle shaftCheck body and shaft for excessive wear or side play Check throttle plates for looseness or incorrect seating Maximum throttle plate clearance is 0.002 in(0,05 mm) Check throttle plate retaining screws for ti ghtness
27 6Remove cali bration pocket cover and gasket from throttle body: Check the pocket for damage or contamination Check calibration holes and needle hole for contaminationAssembly 2S 1If removed, install the fuel manifold in the throttle body and secure with three clamps and screws29 2Install slow speed spring and needleThread needle in until it bottoms and then back it out for initial setting 90115534 turns 150175turns