I have this one as well it works
[throttle]
reverse_on_axis = true
[throttle_1]
reverse_1 = -0.987500
reverse_idle_1 = -0.591687
idle_1 = -0.517896
toga_1 = 1.000000
[throttle_2]
reverse_1 = -0.987500
reverse_idle_1 = -0.586438
idle_1 = -0.527051
toga_1 = 1.000000
ThrottleData.ini