I think anyone under 90kgs should carry ballast to make it up on their back !!
I've told you before it needs to be anyone under 120kg. All you light weight 90kg riders need to stop your whinging about weight disadvantages.
2011 ZX10R track/race bike
ZRX1200 road bike
Period 6 ZXR 750 race bike
P6 250 production RMX250 motard race bike
2015 YZ450F Dirt track/motard
TE511 trail bike/motard
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