For the Vmax From my website with permission from Dyno Tech. I have a 1987 magazine article that shows the Exciter to be ~75 hp. so, Ramblnman is right !
All Data for 22.92 inches of Hg, 60 F dry air
Test: 100 RPM/ Sec Acceleration
Fuel Specific Gravity: .750
Vapor Pressure: .60 Barometer: 30.26
Stock V- Max Stock Pipes
RPM CBT CBHP FUEL BSFC CAT
6500 52.8 65.3 43.2 0.68 74
6750 55.1 70.8 47.7 0.69 74
7000 55.7 74.2 51.2 0.71 73
7250 55.6 76.8 52.1 0.70 74
7500 56.1 80.1 54.2 0.69 74
7750 57.0 84.1 55.3 0.67 74
8000 57.0 86.8 56.7 0.67 74
8250 55.0 86.4 58.0 0.69 74
8500 44.9 72.7 57.3 0.81 74