This is a caculation using stock gearing, 15/45 and a tire circunference of 77.875". You will note that 10,500 is 180 mph. I have used this chart for many years, and it is right on. 9,500 rpms is 163. The GSXR 1100, has the same gear ratios as the Bandit 1200.
RPM MPH MPH MPH MPH MPH
1,500 9.9 14.4 18.8 22.5 25.8
2,000 13.2 19.3 25.1 30.1 34.4
2,500 16.5 24.1 31.4 37.6 43.0
3,000 19.8 28.9 37.7 45.1 51.6
3,500 23.1 33.7 44.0 52.6 60.2
4,000 26.4 38.5 50.3 60.1 68.8
4,500 29.7 43.3 56.5 67.6 77.4
5,000 32.9 48.2 62.8 75.2 86.0
5,500 36.2 53.0 69.1 82.7 94.6
6,000 39.5 57.8 75.4 90.2 103.2
6,500 42.8 62.6 81.7 97.7 111.8
7,000 46.1 67.4 88.0 105.2 120.4
7,100 46.8 68.4 89.2 106.7 122.2
7,200 47.4 69.3 90.5 108.2 123.9
7,300 48.1 70.3 91.7 109.7 125.6
7,400 48.8 71.3 93.0 111.2 127.3
7,500 49.4 72.2 94.2 112.7 129.0
7,600 50.1 73.2 95.5 114.2 130.8
7,700 50.7 74.2 96.8 115.7 132.5
7,800 51.4 75.1 98.0 117.2 134.2
7,900 52.1 76.1 99.3 118.8 135.9
8,000 52.7 77.0 100.5 120.3 137.6
8,100 53.4 78.0 101.8 121.8 139.4
8,200 54.0 79.0 103.0 123.3 141.1
8,300 54.7 79.9 104.3 124.8 142.8
8,400 55.3 80.9 105.6 126.3 144.5
8,500 56.0 81.9 106.8 127.8 146.2
8,600 56.7 82.8 108.1 129.3 148.0
8,700 57.3 83.8 109.3 130.8 149.7
8,800 58.0 84.8 110.6 132.3 151.4
8,900 58.6 85.7 111.8 133.8 153.1
9,000 59.3 86.7 113.1 135.3 154.8
9,100 60.0 87.6 114.4 136.8 156.6
9,200 60.6 88.6 115.6 138.3 158.3
9,300 61.3 89.6 116.9 139.8 160.0
9,400 61.9 90.5 118.1 141.3 161.7
9,500 62.6 91.5 119.4 142.8 163.4
9,600 63.3 92.5 120.6 144.3 165.2
9,700 63.9 93.4 121.9 145.8 166.9
9,800 64.6 94.4 123.2 147.3 168.6
9,900 65.2 95.3 124.4 148.8 170.3
10,000 65.9 96.3 125.7 150.3 172.1
10,100 66.5 97.3 126.9 151.8 173.8
10,200 67.2 98.2 128.2 153.3 175.5
10,300 67.9 99.2 129.4 154.8 177.2
10,400 68.5 100.2 130.7 156.3 178.9
10,500 69.2 101.1 131.9 157.8 180.7
10,600 69.8 102.1 133.2 159.3 182.4
10,700 70.5 103.1 134.5 160.8 184.1
10,800 71.2 104.0 135.7 162.3 185.8
10,900 71.8 105.0 137.0 163.8 187.5
11,000 72.5 105.9 138.2 165.4 189.3
11,100 73.1 106.9 139.5 166.9 191.0