+3mm Big Bore Cylinder Kit designed for Yamaha YFM 700 Grizzly 4x4 and Viking 700 models. This direct bolt-on kit increases displacement to 727cc and includes a matched Vertex piston for enhanced durability, performance, and reduced engine noise. Nickel Silicon Carbide plating ensures long life, and no replating is required.
Features
Direct bolt-on installation with no replating required
Increases displacement to 727cc with a 10.1:1 compression ratio
Nickel Silicon Carbide plated for extended durability
Includes matched Vertex piston for optimized performance
Comes complete with all necessary components for installation
Compatible with Hot Rods #4179 to achieve 770cc displacement
Replacement Vertex piston, rings, clips, and pins available separately