Stripping my ke20 some more today, trying to get her ready for a new coat of life I cut the windscreen seals and lifted the screens out, leaving behind this black thick as stuff that sticks to everything.

 

I tried hot soapy water, no great result, what else can I try without using heavy solvents?

Try some mineral turps.

Cheers dude, Ill knock some off from my fathers house when I wander over there later to grab another windscreen (I cracked the bloody thin just as the whole lot let go from the seal GRRR)

That gunky stuff is a sika sealant it alwas stays soft i think they use kero from memory to remove it champ