1. Locate the rear shock. It is located on the right side of the motorcycle, behind the rear wheel.
2. Find the adjustment knob. The adjustment knob is located on the top of the shock.
3. Turn the adjustment knob. Turn the adjustment knob clockwise to increase the preload on the shock, or counterclockwise to decrease the preload.
4. Adjust the preload until you reach the desired ride height. The ride height is the distance from the ground to the lowest point on the motorcycle's frame.
5. Test ride the motorcycle. Take the motorcycle for a test ride to make sure that the rear shock is adjusted correctly.
Here are some tips for adjusting the rear shock on a Honda Shadow 600:
* Start by setting the preload to the lowest setting.
* Increase the preload until the motorcycle feels comfortable to ride.
* If you are not sure what the ideal preload setting is, consult with a motorcycle mechanic.
* Do not overtighten the adjustment knob, as this can damage the shock.