Looks like I have solved the problem of what type of air filter it had..note the past tense.."had"...it has 'melted' over the years and has finished up as a rubbery lump in the Carby, where it has totally gummed the interior workings of the beast.
G'day OF54,
This is what the foam element for that one looks like -
https://www.outdoorking-forum.com.au/engines...lters/kirby-gee-foam-air-filter-gee-273aBasically a blind ended tube of polyurethane foam. These do tend to turn into sticky gunge with age.
I wouldn't think that the gum in the carby bowl is from the filter - gum from old fuel that's evaporated after standing for years is a very common problem these days.
There are some very effective carburettor cleaners that will soften the gum, but first you must ensure that
all rubber and plastic parts are removed from the carby, including a soft tipped needle, or soft seat, if fitted.
Cleaning out the small passages in the carby with stiff wires [oxy torch tip cleaners have their uses] or jet drills can be a fiddly job, but shouldn't be too bad on that one. Unlike some modern Japanese carbies...
