Asv make shorty levers for oem master cylinders, atv galaxy have them on their eBay, probably some cheeper leavers on there too, decide whether you will upgrade the master cylinder before you buy. The 2009+ yfzr master cylinders are the tits
https://www.ebay.com/itm/ASV-UNBREAKABLE-F3-SHORTY-BLACK-CLUTCH-BRAKE-LEVERS-DUST-COVERS-YAMAHA-BANSHEE/362013258888?epid=20026262601&hash=item5449abf488:g:~M0AAOSwmLlX5qTU