How often should I change my front fork oil on my CB350 / CL350 / SL350? Common Motor December 17, 2018 02:58 Follow Every 5,000 miles / 8,000 km or once a year, whichever comes first. Related articles What type of fork oil and how much fork oil should I use in my CB350 / CL350 / SL350? What is the correct tire air pressure for my for my CB350 / CL350 / SL350? How often should I lubricate and inspect the drive chain on my Honda CB350 / CL350 / SL350? Cleaning out your Gas Tank Honda CB350 / 360 / 450 Ignition Wiring Comments 0 comments Please sign in to leave a comment.