What is the valve adjustment / tappet clearance specs for the Honda CB350 / CL350 / SL350? December 17, 2018 03:00 The standard valve clearance is: Intake: .05 mm (0.002" inch) Exhaust: .10 mm (0.004" inch.) Related articles Honda CB350 / CL350 / SL350 engine valve (rocker arm) & cam chain adjustment Honda CB350 | CL350 | SL350 Factory Service Manuals How to set the ignition timing on the Honda CB350 / CL350 / SL350 The White / Yellow Wire Stator Coil Mod - How To Increase Charging System Output : CB175 / CB350 / CB360 / CB450 Honda CB350 / CL350 / SL350 Torque Values