We've always wondered how modified old bikes would compare to their newer counterparts, so we decided to find out. We took a modified '98 Yamaha R1 and pitted it against the fuel-injected '03 version, then did the same for a modified '02 and stock '03 Kawasaki ZX-6R.
Check out the dyno graphs and images from the test, and get the full story in the next issue of Sport Rider, on newsstands the first week in August.
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Stock 2003 Yamaha YZF-R1 vs....
Stock 2003 Yamaha YZF-R1 vs. modified 1998 Yamaha YZF-R1
2003 Yamaha YZF-R1
1998 Yamaha YZF-R1
2002 Kawasaki ZX-6R
2003 Kawasaki ZX-6R
New and old Kawasaki ZX-6...
New and old Kawasaki ZX-6R
The modified 2002 Kawasaki...
The modified 2002 Kawasaki makes almost as much power as the new model
Surprise! The hot-rodded '98...
Surprise! The hot-rodded '98 R1 makes more steam than the '03 model