Barnett 501-42-06031 hard clutch spring set for Yamaha FJ09 FZ07 FZ09 FZ1 FZ8 Fazer800 MT07 MT-07 MT09 MT-09 Tracer900 Tenere700 XSR700 YZF-R1 FZ6 FZ6R FZ700 FZ750 FZR750 FZR100 FZX700 TDM850 GTS1000 YFM700 Raptor700 YZ450F YZF450 WR450F WRF450 YZF1000 YZ