GOVERNORSSpeed SettingComplete installation of remaining governor linkages andcarburetor and then adjust governor shaft and lever.NOTE: If governor bushing is replaced it should befinished reamed to .2435-.2410 (6.18-6.12 mm) for 1/4"(6.35 mm) or with 19058 reamer for 3/16" (4.76 mm)governor shaft.AdjustmentLoosen screw holding governor lever to governor shaft.Place throttle in high speed position. While holdingthrottle in this position and with a screwdriver turngovernor shaft clockwise as far as it will go. Tightenscrew holding governor lever to governor shaft to 35-45in. lbs. (.4-.52 mkp or 4.0-5.0 N•m) torque. See Fig. 20.Before starting engine, manually move governor linkageto check for any binding.Fig. 20. Adjust GovernorMECHANICAL GOVERNOR—ADJUSTING TOP NO LOAD SPEEDALUMINUM MODELS 100200, 130200, 170000,190000, 220000, 250000 (Except 253400)Fig. 21. Setting Top No Load Speed1.Set control lever to maximum speed position, withengine running. See Fig. 20.2.Use tool 19229 to bend spring anchor tang to getdesired top speed. See Fig. 21. To make own tool,see Fig. 22.Fig. 22. Tang Bending ToolTo adjust governed idle refer to Section 4, GovernorControls and Carburetor Linkages.ADJUSTING MECHANICAL GOVERNORMODEL SERIES 253400On Model Series 253400, governor adjustments are thesame except top governed speed. To set top governedspeed, turn screw "A" in to decrease or out to increaseR.P.M. Refer to Engine Sales Manual, Note column forrecommended governed R.P.M. See Fig. 23.Fig. 237
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