It should be easy to fix the wheel. Its all relative to whether or not you want it too look identicle.
'87 used an anodized Wolber rim while '86 used a 'Velotec anodized by Mavic'.
'86 used a Helicomatic hub which is almosat impossible to get parts for while the '87 used a Shimano cassette hub.
Is your bike one solid color or is it two-tone?
I think there's some serious dating issues with the above bikes....