11. FRONT WHEEL/SUSPENSION/ STEERING K-PIPE 125 INSPECTION Measure the front fork spring free length. Service Limit: 236.8mm replace if below Replace the spring with a new one if it exceeds the service limit. Set the front fork tube in V blocks and measure the tube runout. Service Limit: 0.2mm replace if over Piston Ring Front Fork Tube Check the front fork tube, bottom tube and piston for abnormal wear or damage and replace if necessary. Check the front fork piston ring for wear. Check the return spring for weakness or damage. Front Fork Bottom Tube 11-13