Honda CB125 Fork Seals

The Honda CB125 runs a 27 mm conventional front fork.Every kit here is verified by the manufacturer to fit this exact bike. Fork seals can share a size and still not seat in a different fork, so we only list what is confirmed for your bike.

  • Fork tube27 mm
  • Fork typeConventional
KitYearsSeal sizeReplaces OEM
55-101 1976–1985 27x39x10.5 n/a
55-104 1990 31x43x10 n/a

Verified fork kits we stock for your Honda CB125

Fork oil for your Honda CB125

A fork-oil change on the Honda CB125 uses 10wt fork oil. Factory fill: OE ATF/10W-30 engine oil (pre-fork-oil era); modern 10wt.