Depends on if it's a strapless style bikini or not. 87-90 Wranglers used a different style of rollbar, so if the bikini just goes from the windshield frame to the rollbar and wraps around, it will work.
1987 thru 1995
yes, any top for an 1987-1995 can be switched out
No. A YJ (1995 and before) is different than a TJ (1997 and later).
Jeep Wrangler was created in 1987.
Jeep Wrangler wheel lug patterns years 1987-2006 are 5X4.5Jeep Wrangler wheel lug patterns years 2007-2014 are 5X5
Jeep Wrangler wheel lug patterns years 1987-2006 are 5X4.5Jeep Wrangler wheel lug patterns years 2007-2014 are 5X5
Jeep Wrangler wheel lug patterns years 1995-2006 are 5X4.5Jeep Wrangler wheel lug patterns years 1987-2006 are 5X4.5Jeep Wrangler wheel lug patterns years 2007-2014 are 5X5
No all parts from tjs will work on tjs (1997-2006) as will yjs on yjs (1987-1995)
Jeep Wrangler wheel lug patterns years 1987-2006 are 5X4.5Jeep Wrangler wheel lug patterns years 2007-2014 are 5X5
1987 thru 1995
no
The Jeep Wrangler replaced the CJ5 in 1987.