Original Honda valve set for the old style 6V engines with
standard camshafts and the new 70cc Ultrahead with
ballbearing camshafts.
Inlet valve 25mm
Outlet valve 22mm
Original Honda valve set for the old style 6V engines with
standard camshafts and the new 70cc Ultrahead with
ballbearing camshafts.
Inlet valve 25mm
Outlet valve 22mm