Size B Namura Forged Piston Gasket Kit for KTM Some 2013-2015 250 STD Bore 78mm

Size B Forged Piston Gasket Kit for KTM

This forged piston and gasket kit provides a replacement piston assembly and gaskets for KTM 250 models with standard bore size 78mm, covering 2013-2015 model years.

Overview

The Size B forged piston gasket kit is a high-performance replacement assembly for KTM 250 engines. This forged piston gasket kit delivers reliable compression and power for trail riding or competition. Designed for 2013-2015 KTM 250 models with standard 78mm bore, this kit ensures a precise fit.

Built For Performance

• Forged piston construction for increased strength and durability
• Complete gasket kit includes all necessary seals for rebuild
• Size B specification matches KTM factory piston sizing
• Standard 78mm bore maintains factory compression ratio
• Designed for 2013-2015 KTM 250 four-stroke engines

Fits These Machines

• for KTM 250 SX-F (2013-2015)
• for KTM 250 XC-F (2013-2015)
• for KTM 250 EXC-F (2013-2015)

On-The-Job Use

• Competition motocross racing
• Enduro and off-road trail riding
• Engine rebuilding and maintenance
• Restoration of KTM 250 engines

Specs At A Glance

Good To Know

Q: What is the difference between Size B and other sizes? A: Size B indicates a specific piston diameter tolerance used by KTM; always match the size stamped on your original piston.

Q: Does this kit include the wrist pin? A: Yes, the forged piston gasket kit includes a wrist pin and circlips for a complete installation.

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