yamaha yfm450 yfm 450 grizzly racing ignition coil 2007 2009 Yamaha YFM50 then it's probably your coil

then it's probably your coil that's knackered

20N-82310-40 or 4BC-82310-00 on a PW80 for the years shown above

Both sized ID25 x OD47 x WTH15

Yamaha XG 250 Tricker (2005)

Honda CRF 450 X (2005-2011)

yamaha yfm450 yfm 450 grizzly racing ignition coil 2007 2009 Yamaha YFM50 then it's probably your coilBrand New racing ignition coil to fit: Yamaha YFM 450 FA Grizzly (2007 2009). This high performance ignition coil has been manufactured to replace the original coil pack 3KJ 82310 10 on a YFM450 Grizzly for the years 2007, 2008 & 2009. If you're having spark issues with your YFM450 then it's a no brainer to get a new upgraded coil on the quad as you'll get the spark you're after. We also sell the standard coil if you're looking for a like for like