Cylinder Kit YFM700R 15-18, Works Cylinder 21004-K02 Big Bore, 105mm 770cc 2015 - 2018 Yamaha YFM 700 R Raptor ATV

Cylinder Works +3mm Big Bore Cylinder Kit for the 2015-2018 Yamaha YFM700R Raptor increases displacement to 727cc. This direct bolt-on upgrade requires no re-plating and includes a matched Vertex piston for durability and performance.

Features

• Direct bolt-on installation with no additional machining required
• Nickel Silicon Carbide plated for extended lifespan
• Three options available: Standard Bore, Standard Bore High Compression, and Big Bore
• Includes cylinder, piston, rings, pin, clips, and top-end gasket kit
• Big bore cylinder kits do not require additional machine work (unless specified)
• Replacement Vertex piston, rings, clips, and pins available separately
• Manufactured in the U.S.A.

Specifications

• Bore: +3mm
• Displacement: 727cc
• Compression Ratio: 9.2:1
• Uses Vertex Piston #23967

Cross-Reference OEM Part Numbers

• Not specified

Vehicle Fitments

• 2015 Yamaha YFM700 Raptor
• 2016 Yamaha YFM700 Raptor
• 2017 Yamaha YFM700 Raptor
• 2018 Yamaha YFM700 Raptor
• 2015 Yamaha YFM700R Raptor
• 2016 Yamaha YFM700R Raptor
• 2017 Yamaha YFM700R Raptor
• 2018 Yamaha YFM700R Raptor
• 2015 Yamaha YFM700RSE Raptor Special Edition
• 2016 Yamaha YFM700RSE Raptor Special Edition
• 2017 Yamaha YFM700RSE Raptor Special Edition
• 2018 Yamaha YFM700RSE Raptor Special Edition