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? How often should I lubricate and inspect the drive chain on my Honda CB350 / CL350 / SL350? What size drive chain do I need for my Honda CB350 / CL350 / SL350? Honda CB350 Loose Emulsifier Tubes in Carburetor Rebuild Kit Battery Choices for Honda CB350 / CB360 / CB450 / CB550 Comments 0 comments Please sign in to leave a comment.