+3mm Big Bore Complete Cylinder Kit designed for the Yamaha YFM 700 Grizzly 4x4 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 9.2:1 compression ratio
Nickel Silicon Carbide plated for extended durability
Honed to exact size for easy piston installation
Includes matched Vertex piston for optimized performance
Comes complete with all necessary components for installation
Compatible with Hot Rods #4179 to achieve 770cc displacement
Manufactured in the U.S.A.
Specifications
Part Number: 21104-K01
Bore Size: 102mm (+3mm)
Displacement: 727cc
Compression Ratio: 9.2:1
Uses Vertex Piston #23626
Included Items
(1) Cylinder
(1) Piston kit
(1) Top-end gasket kit
(1) Piston pin
(2) Circlips
(1) Ring set
Cross-Reference OEM Part Numbers
YAMAHA: 3B4-11311-00-00
YAMAHA: 3B4-11311-10-00
Vehicle Fitments
2007-2013 Yamaha YFM700FG Grizzly 700 FI 4x4 (Various Models)