BOYESEN - Power Resin Reeds Stock Item:POWER (RESIN) REED YZ250 THRU 77 [] Perfect for :

Perfect for :

Additionally the 'Serket' features a tempered / fused sleeve seam with compression coined ends and a GP Style double spring mount - Oh yeah

this no-compromise race grade exhaust is incidentally road legal

but contacts your body 27% more than the competition - making it both smaller

BOYESEN - Power Resin Reeds Stock Item:POWER (RESIN) REED YZ250 THRU 77 [] Perfect for :Boyesen's patented dual stage reed design incorporates a specially shaped top reed and a ported bottom reed. The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMs. The stiffer, bottom reed is ported to provide maximum flow and horsepower at higher RPMs. More valves equals more power by creating: More Air Flow: The dual stage design allows you to replace your stock reed stop with a Rev Plate which permits