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It will "fit", but the seat relief cutaway area at the back of the V7 tank will look ugly with the slimmer V9 seat.
V9 looks very nice, and reviews on its comfort are favorable. I wonder if it would fit a V7?
The frame of the V7 angles up at the back, under the passenger's seat. The V9's does not. So I would expect there to be a problem fitting a V9 seat to a V7.This observation is based on looking at the parts diagrams.
I"m not seeing that.We've had pictures posted here on WG of a V7 seat on a V9.