Carburettor Jetting Kit 'Perfect Jet' for Yamaha Banshee Clearance Their Engineering department started off

Their Engineering department started off analysing the competition

YFM450 Grizzly IRS 07-14

K Raptor R  17-19

Used by championship winning race teams worldwide

Carburettor Jetting Kit 'Perfect Jet' for Yamaha Banshee Clearance Their Engineering department started offSpecially ground needles for Toomey's pipe combination, and Main Jets to provide the exact proper carburation for their pipe kit, T5 or T6, are the same. The stock needles are NOT correct and their use with Toomey's pipes and a free flowing air filter system can lead to engine damage, and of course, run poorly. This is why Toomey make the perfect Jet Kit so you don't have to think about tuning, just install the parts per the instructions and you go