So, could someone have simply unscrewed the tops and replaced with the nipple type ones or would this not be possible ?
There is air pressure in the forks.
Could it be a case of unscrewing them to see what's in there ?
Steve
Past 5 Years 1974 UK Z1a, Candy Tone Brown/Orange 1976 KZ900a4, Diamond Dark Green 1978 KZ1000a2, Luminous Green 1976 KZ1000a1, Red 1972 GT750J, Candy Lavender