Cylinder Works 40001-K01 Standard Bore Cylinder Kit - 90.00mm Bore, 11.3:1 Compression control-cables-clutch-cables Outer flip shield is completed

Outer flip shield is completed hidden under the visor

the all-new MX-SI gives motocross riders and racers an edge with superior traction in a wide range of conditions

Reliable design for confidence

1981-1983 Yamaha SR540

Cylinder Works 40001-K01 Standard Bore Cylinder Kit - 90.00mm Bore, 11.3:1 Compression control-cables-clutch-cables Outer flip shield is completedReady to install, direct bolt on cylinders require no re plating and look virtually identical to the OEM cylinders. Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise. Nickel Silicon Carbide plated for long life. Kits come complete with gaskets, cylinder, piston, rings, pin and clips. Vehicle Fitment: 2004 2008 Arctic Cat DVX 400 2006 2007 Arctic Cat DVX 400 TS 2003 2006 Kawasaki KFX400 2003 Kawasaki