Is that an oil leak (causing the clutch slip) or just wet tyres?
if it's not oil causing the clutch slip it's worth checking the slave cylinder isn't seized . Just requires rear wheel off and shock absorber out.
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Nigel
Keep smiling, it makes people wonder what you've been up to!
1999 R1100s (mandarin) '
2018 DL 250V Strom
2019 CB125F Honda.
MZ301 Saxon Fun ( currently retired)
'03 Bullet 65 project..
was just washed, clutch slips at high rpm/load. lost all confidence in it to be honest and have a lot of family/personal issues going on just now. know apart from the clutch its a good bike just don't have time to fix.... good bike for someone,just not me