Advise on tank and frame...

[seamax]

Can somone tell me what model year gas tanks and model year frames are the same on the GS?

Thanks

[GRU]

i think the frames are all the same except for small changes to fit the tank and seat on the new models....they changed the tank on 2001 models to now so the tanks are the same from 89-00 and then the new tanks 01-05