Size B Piston Bearing & Gasket Kit for KTM 2001-2008 SX50 L/C STD Bore 39.50mm

Piston Bearing & Gasket Kit (Size B, STD Bore 39.50mm) for KTM

This piston bearing and gasket kit is a high-quality replacement for KTM SX50 L/C models from 2001 to 2008, sized at STD Bore 39.50mm and Size B, providing all necessary components for a complete top-end rebuild.

Overview

This piston bearing and gasket kit is designed for KTM SX50 L/C two-stroke engines, delivering a reliable rebuild solution with a STD 39.50mm bore. It includes the piston, bearing, and gasket set, ensuring proper fit for 2001-2008 models. This kit is ideal for restoring compression and performance in your KTM mini dirt bike.

Built For Performance

• Size B piston with STD 39.50mm bore for precise clearance
• Includes needle bearing and complete gasket set
• Manufactured to OEM specifications for consistent quality
• Designed for high-rpm two-stroke engines
• Replaces worn original components for like-new operation

Fits These Machines

• for KTM SX50 L/C (2001-2008)

On-The-Job Use

• Restoring power in KTM SX50 mini motocross bikes
• Rebuilding engines after piston seizure or wear
• Competition and recreational riding applications
• Performing a full top-end service on youth dirt bikes

Specs At A Glance

Good To Know

Q: Does this kit include a wrist pin and circlips? A: This kit includes the piston, bearing, and gaskets; wrist pin and circlips are typically not included and should be ordered separately if needed.

Q: Can I use this kit on a KTM SX50 with a different bore size? A: No, this kit is specifically designed for STD 39.50mm bore; using it on a different size will cause improper fit and engine damage.

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