Changing the rear spring on a KTM motorcycle generally involves the following steps:
Prepare the motorcycle: Ensure that the motorcycle is on a level surface and that the rear wheel is off the ground. You can use a rear stand or a lift to elevate the rear of the bike.
Remove the shock absorber: Locate the shock absorber on the rear of the motorcycle. It is typically connected to the swingarm and the frame. Depending on the specific model and configuration, you may need to remove other components or fairings to gain access to the shock absorber.
Loosen the preload adjustment: Most rear shocks have a preload adjustment mechanism that allows you to adjust the tension on the spring. Loosen the preload adjustment to relieve any tension on the spring.
Remove the retaining hardware: The rear spring is typically held in place by a retaining collar or other hardware. Use the appropriate tools to loosen and remove the hardware, allowing the spring to be released.
Replace the spring: Carefully remove the old spring from the shock absorber. Then, install the new spring by sliding it onto the shock absorber, ensuring it sits properly and securely.
Reinstall the retaining hardware: Once the new spring is in place, reattach the retaining collar or other hardware to secure the spring. Tighten the hardware to the manufacturer's specified torque settings.
Adjust preload: If necessary, adjust the preload on the shock absorber to set the desired tension on the new spring. Refer to the motorcycle's owner's manual for the recommended preload settings and adjustment procedures.
Reinstall the shock absorber: After completing the spring replacement and any necessary adjustments, reinstall the shock absorber onto the motorcycle, reconnecting it to the swingarm and frame. Make sure all fasteners are properly tightened.
Test and fine-tune: Lower the motorcycle off the rear stand or lift and check the rear suspension for proper operation. Take a test ride to evaluate the new spring's performance and make any additional adjustments if needed.
Please note that the specific steps and procedures can vary depending on the model and year of your KTM motorcycle, as well as any aftermarket components or modifications that may be present. It's always recommended to consult the owner's manual or seek professional assistance if you are uncertain about any aspect of the process or lack the necessary tools and expertise.