Yamaha CT175 Fork Seals

The Yamaha CT175 runs a 30 mm conventional front fork, oil seal 30x40.5x10.5.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 tube30 mm
  • Oil seal size30x40.5x10.5
  • Fork typeConventional
KitYearsSeal sizeReplaces OEM
55-102 1972 30x40.5x10.5 n/a
57-123 1972 n/a n/a
56-105 1972 n/a n/a

Verified fork kits we stock for your Yamaha CT175

Fork oil for your Yamaha CT175

A fork-oil change on the Yamaha CT175 uses 10wt fork oil. Factory fill: OE ATF/10W-30 engine oil (pre-fork-oil era); modern 10wt.