Cylinder Works 15-23 Yamaha YFM 700 R Raptor 700cc +3mm Big Bore Cylinder Kit 105mm 727cc

OEM in apperance, yet performance driven in design. The Cylinder Works Big Bore Cylinder Kits contain a hand matched big bore Vertex piston and top end gasket kit wtih o-rings in an all-in-one kit, providing cost savings over purchasing OEM components separately.