here is a spec chart from Performance Bikes (UK) december 02'
the ducati ST4S, Aprilia Futura, VFR 800.
but the reality is though, with you having been punting a ZX12R around you'll get bored with them fairly quickly, if your only looking for a more comfortable touring mount for you & the missus why not consider a ZZR1200 ? its just the same motor as your used too but with a beefed up bottom end & mid range & probably 8/10 of the ZX12Rs top end ( which you'll miss if you get on to a V-twin)
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