1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Manual, P/N 507268, Page 92Get this manual
26 DR3584
4Inspect float needle and for wear or distortionReplace both pieces if damage is noted
5Inspect throttle body and throttle shaft: Check 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 tightness
6Remove calibration pocket cover and gasket from throttle body: Check the pocket for damage or contamination Check calibration holes and needle hole for contamination
Assembly
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1If removed, install the fuel manifold in the throttle body and secure with three clamps and screws2Install slow-speed spring and needleThread needle in until it bottoms and then back it out for initial setting 90115534 turns 105RW534 tu rns 150175turns 150JLEturns