The Part# 4GB-83973-09-00,Repalcement Part# 4GB-83973-01-00 4GB-83973-00-00 The left handlebar switch fit Compatible For Yamaha Grizzly 600 YFM600F Warrior 350 YFM350X Wolverine 350 YFM350F Function: Function Include switch engine run off, headlight hi lo off and engine start. Function Include:Switch Start, Switch Engine ON OFF, Switch Headlight HI LO OFF without choke lever Compatible For Yamaha Kodiak 400 4WD YFM400F 1993-1999 ,Big Bear 350 YFM350F/U 1995-1999,MOTO-4 YFM350E 1995 Compatible For Yamaha 1995 MOTO-4 - YFM350ERG,Wolverine 350 YFM350F 1995-2001,Warrior 350 YFM350X 1996-2001 Compatible For Yamaha ATV Kodiak 400 4WD YFM400F 1993-1999 Big Bear 350 YFM350F/U 1995-1999 MOTO-4 YFM350E 1995,1995 MOTO-4 - YFM350ERG Wolverine 350 YFM350F 1995-2001 Warrior 350 YFM350X 1996-2001 Grizzly 600 YFM600F 1998-2001 Compatible for Yamaha 1993 KODIAK 4WD - YFM400FWE_ 1993 KODIAK 4WD (ME & NH Only) - YFM400FWE_MNH 1994 KODIAK 4WD - YFM400FWF 1994 KODIAK 4WD (ME & NH Only) - YFM400FWF_MNH 1995 KODIAK 4WD - YFM400FWG_ 1996 KODIAK 4WD - YFM400FWH 1997 KODIAK 4WD - YFM400FWJ 1998 KODIAK 4WD - YFM400FWK 1999 KODIAK 4WD - YFM400FWBL 1995 BIG BEAR 4WD - YFM350FWG_MNH (ME & NH Only)/YFM350FWG_ 1996 BIG BEAR 2WD - YFM350UH/YFM350UH_M 1996 BIG BEAR 4WD - YFM350FWH_ 1997 BIG BEAR 2WD - YFM350UJ/YFM350UJ_M 1997 BIG BEAR 4WD - YFM350FWBJ/YFM350FWJ 1997 BIG BEAR 4WD (ME & NH Only) - YFM350FWBJ_MNH 1997 BIG BEAR 4X4 (ME & NH ONLY) - YFM350FWJ_MNH 1998 BIG BEAR 2WD - YFM350UK 1998 BIG BEAR 4WD - YFM350FWBK 1999 BIG BEAR 2WD - YFM350UL/YFM350ULC 1999 BIG BEAR 4WD - YFM350FHL/YFM350FHLC/YFM350FWBL/YFM350FWXL 1995 MOTO-4 - YFM350ERG 1995 WOLVERINE - YFM35FXG/YFM35FXG_M 1996 WOLVERINE 4WD - YFM350FXH 1996 WOLVERINE 4WD (ME & NH Only) - YFM350FXH_MNH 1997 WOLVERINE - YFM35FXJ/YFM35FXJ_M 1998 WOLVERINE - YFM35FXK 1999 WOLVERINE 4WD - YFM350FXL/YFM350FXLC 2000 WOLVERINE - YFM350FXM/YFM350FXMC/YFM35FXM 2000 WOLVERINE (CA Ed.) - YFM35FXMC 2001 WOLVERINE - YFM350FXN/YFM35FXN 1996 WARRIOR - YFM350XH/YFM350XH_M 1997 WARRIOR - YFM350XJ/YFM350XJ_M 1998 WARRIOR - YFM350XK/YFM350XKC 1999 WARRIOR - YFM350XL/YFM350XLC 2000 WARRIOR - YFM350XM/YFM350XMC 2001 WARRIOR - YFM350XN/YFM350XNC 1998 GRIZZLY - YFM600FWAK/YFM600FWAL 2000 GRIZZLY - YFM600FM/YFM600FMC 2000 GRIZZLY REALTREE - YFM600FHM/YFM600FHMC 2001 GRIZZLY YFM600FHN GRIZZLY REALTREE HUNTER - YFM600FHN/YFM600FN