For Yamaha Kodiak 400 Grizzly 400 New Cylinder Piston Gasket Top End Kit 84.5mm

Top End Kit for Yamaha Kodiak 400 and Grizzly 400

This 84.5mm cylinder piston gasket top end kit for Yamaha Kodiak 400 and Grizzly 400 rebuilds the engine upper end with a new cylinder, piston, rings and gaskets. The 84.5mm bore top end kit for Yamaha Kodiak 400 restores compression for riders servicing a worn or damaged engine. It is a complete top end kit for Yamaha Grizzly 400 as well.

Overview

This 84.5mm cylinder piston gasket top end kit for Yamaha Kodiak 400 and Grizzly 400 provides a full upper engine rebuild in one package. The kit includes a new cylinder, piston, rings, pin, clips and gasket set at 84.5mm bore. It is made for riders and mechanics restoring a Kodiak 400 or Grizzly 400 engine.

Built For Performance

• 84.5mm bore cylinder machined for correct piston clearance
• Piston supplied with rings, wrist pin and circlips
• Complete top end gasket set for cylinder, head and base
• Direct replacement for the OEM top end assembly
• Built to handle the demands of utility ATV engines

Fits These Machines

• for Yamaha Kodiak 400
• for Yamaha Grizzly 400

On-The-Job Use

• Top end rebuild after lost compression or smoking
• Repair of a scored or seized piston and cylinder
• Engine refresh on a high-hour Kodiak 400 or Grizzly 400
• Farm, trail and hunting use where dependable power matters

Specs At A Glance

Good To Know

Q: Does this kit fit both the Kodiak 400 and Grizzly 400? A: The kit is listed for both models with the same 84.5mm bore top end. Confirm your specific model year and engine code before ordering.

Q: What does the 84.5mm bore mean for my rebuild? A: The 84.5mm bore sets the piston and cylinder size to match the intended displacement. Verify your machine's original bore and any prior overbore before installing.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.