O-ring HONDA compatible on all mini 4 stroke oil gauges.
Inside diameter : 18mm
Thickness : 3,3mm
Outside diameter: 24,6mm
It is placed under the head of the dipstick on the top of the clutch crankcase.
Reference HONDA: 91307-035-000
Oring HONDA of very good quality compatible on HONDA DAX ST70 and ST50, MONKEY Z50 Z50A Z50J Z50R, XR50, CRF50, CHALY CF50and CF70, ZB, GORIILA
and Chinese engines LIFAN, ZONGSHEN, SKYTEAM, YX...