Cylinder Works Big Bore Kit
Fitment:
-02-18 Yamaha YZ85
Specifications:
-Compression Ratio: 8.2:1
-Cylinder Diameter: 52.5mm
-Cylinder Kit Type: Big Bore
-Displacement: 103.5cc
-Engine Type: 2-Cycle
-Includes: Cylinder, Piston Kit, and Top-End Gasket Kit
-Size Over Standard: 5.0mm
Uses Vertex #23628.
*Must modify cylinder head. Cylinder Head Modification Notes are included.
Features:
-OEM in appearance
-Increases horsepower and engine displacement
-Includes a hand matched, forged Vertex big bore piston made from the highest quality 2618 aluminum alloy for superior strength and durability
-Includes top end gasket kit that includes all gaskets and o-rings needed for a top end rebuild
