3 wheeler tire question

hi I looking at a good deal on 83 honda 185s, the tires are shot, size 21×10-8, it has stock welded steel 4 bolt wheels,however I have a nice set of 3 ohtsu tires also 21×10-8 one is a sp wamulass two are fr wamulass, whatever wamulass means,my question is will these ohtsu tires that were probably originally mounted on two piece split 3 lug atc 90 rims fit on stock honda 185s on piece wheels?

3 wheeler tire question

hi I looking at a good deal on 83 honda 185s, the tires are shot, size 21×10-8, it has stock welded steel 4 bolt wheels,however I have a nice set of 3 ohtsu tires also 21×10-8 one is a sp wamulass two are fr wamulass, whatever wamulass means,my question is will these ohtsu tires that were probably originally mounted on two piece split 3 lug atc 90 rims fit on stock honda 185s on piece wheels?