Here is some numbers that have come up so far.
KTM 105 - Front 80, Rear 70 - 53.33% on the front.
KTM 125 SX 17 Front 88.2 Rear 89.0 - 49.77% on the front.
KTM 250 SX 17 Front 90.8 Rear 93.4 - 49.29% on the front
KTM 250 SX-F 17 Front 104.4 Rear 93.4 - 52.78% on the front
KTM 450 SX-F 17 Front 107.4 Rear 93.4 - 53.48% on the front
KX144 05 - Front 103, Rear 100 - 50.74% on the front
KX250 99 with KX500 engine Front 117 Rear 102 - 53.42% on the front
KX250 03 with KX500 engine Front 128 Rear 115 - 47.33% on the front
KX250 04 Front 108, Rear 127 - 45.96% on the front
KX450F 09 Front 120 Rear 128 - 48.39% on the front
kX450F 10 Front 128.6 Rear 127.6 - 50.2% on the front
KX500 01 Front 116.4 Rear 125.4 - 48.13% on the front
KX500 94 Front 92.4 Rear 127.4 - 42.03% on the front
CR500 - Front 112, Rear 123 - 47.66% on the front
CR500 89 - Front 125, Rear 132 - 48.63% on the front
WR400F 00 - Front 134, rear 149 - 47.35% on the front (Baby got back)
KtX500 no starter Front 107, rear 115 - 48.2%
Feel free to post or contact me with your weights..