Throttle Full Open Switch: Testing and Inspection

Fig. 12 Wide open throttle micro switch test connections:

Fig. 13 Throttle plate clearance measurement:

Fig. 14 Wide open throttle micro switch adjustment:

1. Remove air cleaner and carburetor.
2. Connect ohmmeter to switch as shown in Fig. 12. Resistance between terminals should be infinite.
3. Open throttle gradually until ohmmeter indicates zero ohm. Measure clearance between throttle butterfly and carburetor bore, Fig. 13. Clearance should be .29 - .33 inch (7.2 - 8.4 mm). If clearance is out of range, adjust by bending lever, Fig. 14.