The H6M looks like it will fit into these bikes, Please double check your resources before you commit. This is just what I have found and I might be wrong on a couple so do your homework.
#
Honda:
TRX350TE FourTrax Rancher ES (00-03)
TRX350TM FourTrax Rancher (00-03)
TRX400EX FourTrax (99 & 00)
TRX400EX SporTrax (01-04)
TRX400FA FourTrax Rancher AT (04 & 05)
TRX400FM FourTrax Foreman (02)
TRX400FW FourTrax Foreman 4x4 (03)
TRX450FE FourTrax Foreman ES 4x4 (02-04)
TRX450FM FourTrax Foreman S 4x4 (02-04)
TRX450R (Kick Start) (04 & 05)
#
Kawasaki:
KAF540 Mule 2030 (E1)
KAF620 Mule 3000 (G1)
KAF620 Mule 3000 (G2)
KAF620 Mule 3000 (G3)
KAF620 Mule 3000 (G4)
KAF620 Mule 3010 4x4 (E1)
KAF620 Mule 3010 4x4 (E2)
KAF620 Mule 3010 4x4 (E3)
KAF620 Mule 3020 (F1)
KAF620 Mule 3020 (F2)
KAF620 Mule 3020 (F3)
KVF300 Prairie 300 4x4 (99-02)
KVF400 Prairie 400 (98 & 99)
KVF400 Prairie 400 4x4 (97-02)
#
Suzuki:
LT-A500F Quadmaster (00 & 01)
LT-F250 Quadrunner (01)
LT-F500F Quadrunner (00 & 01)
#
Yamaha:
YFM125 Grizzly (04-06)
YFM250B Bruin (05 & 06)
YFM350 Raptor (04-06)
YFM350A Bruin Auto 2x4 (04-06)
YFM350FA Bruin Auto 4x4 (04-06)
YFM350FAH Bruin Auto 4x4 Hardwood Camo (04 & 05)
YFM350FX Wolverine (95-05)
YFM350X Warrior (98-04)
YFM350X Wolverine 2x4 (06)
YFM400 Big Bear 2x4 (00-04)
YFM400A Kodiak 2x4 Automatic (00, 01, 03 & 04)
YFM400FA Kodiak 4x4 (00-06)
YFM400FAH Kodiak 4x4 Hardwoods (04)
YFM400FW Big Bear 4x4 (00-06)
YFM400FW Kodiak (93-99)
YFM450FA Kodiak 4x4 (03-06)
YFM450FAH Kodiak Auto 4x4 Hardwoods (04)
YFM450FX Wolverine 4x4 (06)
YFM600FWA Grizzly (98-01)
YFM600H Grizzly Hunting (00)
YFM660 Raptor (01-05)
YFM660F Grizzly (02-07)
YFM660RLE Raptor Black Limited Edition (03 & 04)
YFM700R Raptor (06)
Michael