Size A Piston Bearing & Gasket Kit for KTM 250 SX MXC EXC Standard Bore 67.5mm

Size A Piston Bearing & Gasket Kit for KTM

This Size A Piston Bearing & Gasket Kit provides the essential components to rebuild the top end of your KTM 250 SX MXC EXC engine with a standard bore of 67.5mm, ensuring reliable compression and sealing performance.

Overview

This Size A Piston Bearing & Gasket Kit is a complete top-end rebuild set for KTM 250 SX MXC EXC motorcycles with a standard 67.5mm bore. The kit includes the piston, rings, wrist pin, bearing, and all necessary gaskets to restore engine compression and power. It is designed for riders who need a dependable replacement for their KTM 250 two-stroke engine.

Built For Performance

• Includes a forged piston for high-strength and durability under load
• Complete gasket set ensures a proper seal on the cylinder and head
• Precision-machined wrist pin and bearing reduce friction in the connecting rod
• Ring set provides consistent compression for improved throttle response
• Kit contains all components needed for a single top-end rebuild

Fits These Machines

• for KTM 250 SX
• for KTM 250 MXC
• for KTM 250 EXC

On-The-Job Use

• Top-end engine rebuild after normal wear or performance tuning
• Replacing worn piston and rings in a high-hour KTM 250 race or trail bike
• Restoring compression and power in a KTM 250 used for motocross or enduro riding

Specs At A Glance

Good To Know

Q: Will this kit fit my KTM 250 EXC if the serial number is from a specific year? A: This kit is designed for standard bore 67.5mm engines, but fitment can vary by model year and serial number, so always verify your cylinder bore size and part compatibility before ordering.

Q: Does this kit include a new cylinder head gasket? A: Yes, the gasket set includes all necessary sealing components for the cylinder, head, and base, though you should confirm the exact gasket count matches your engine's layout.

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