After a four-year break from mixed martial arts, Kimo won a warm up fight against Tim Lajcik in the WFA in 2002. He then again returned to the UFC at UFC 43 , where he quickly defeated David "Tank" Abbott by arm triangle choke . Kimo went on to fight in the main event of UFC 48 , where he fought Ken Shamrock in a rematch. Kimo was knocked out in the first round from knees to the head. After the fight Kimo, tested positive for the steroid Stanozolol, also known as Winstrol, among other drugs. He was suspended for six months and fined $5,000 by the Nevada State Athletic Commission.