How often do I need to set the ignition timing on my CB350 / CL350 / SL350? Common Motor December 17, 2018 02:57 Follow Every 1,500 miles / 2,400 km. Related articles What is the spark plug gap for the CB350 / CL350 / SL350? Engine Fires on One Cylinder. Is my Condenser Bad? How often do I need to replace the ignition points on my CB350 / CL350 / SL350? How often should I change my front fork oil on my CB350 / CL350 / SL350? The White / Yellow Wire Stator Coil Mod - How To Increase Charging System Output : CB175 / CB350 / CB360 / CB450 Comments 0 comments Please sign in to leave a comment.