Agreed. Fat may look better but on a bike where nimble handling is it's forte, then fat is the wrong way to go.

150 is the same size tyre as by FJ1100, which was only built 6 years earlier!

As per Fontyyy, I can understand changing rim size so you can access better track rubber, but otherwise, spend your money more wisely!
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MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball