Honda VTX1300C VTX 2004 Owner's Manual page 113

Engine Idle Speed
2. Place your motorcycle on its side stand
on a firm, level surface.
3. Connect a tachometer to the engine.
4. Shift into neutral. Start the engine.
5. Adjust idle speed with the throttle stop
screw ( ). 1
Idle speed (in neutral):
900 100 rpm
104
Servicing Your Honda