Forged Piston Kit Size C 77.98mm for KTM Many 2016-21 250 Standard Bore 78mm

Forged Piston Kit Size C 77.98mm for KTM Many 2016-21 250 Standard Bore 78mm

This forged piston kit size C at 77.98mm is a direct replacement for KTM 250 models from 2016 to 2021, designed to restore compression and performance in a standard 78mm bore. The kit includes a high-strength forged piston, rings, and wrist pin for a complete top-end rebuild. It is an ideal choice for riders seeking a reliable OEM-style replacement for their KTM 250 engine.

Overview

This forged piston kit size C 77.98mm is a high-performance replacement for KTM 250 models from 2016 to 2021, designed to fit a standard 78mm bore. The forged piston kit delivers increased durability and consistent power output for off-road and motocross use. It is a direct fit for KTM 250 engines requiring a size C piston.

Built For Performance

• Forged from high-strength aluminum alloy for superior durability
• Precision-machined to 77.98mm diameter for a tight fit in a 78mm bore
• Includes premium piston rings for optimal compression and oil control
• Wrist pin included for a complete installation kit
• Designed to withstand high RPM and extreme operating conditions

Fits These Machines

• for KTM 250 SX 2016-2021
• for KTM 250 XC 2016-2021
• for KTM 250 XC-W 2016-2021
• for KTM 250 EXC 2016-2021

On-The-Job Use

• Motocross racing and track days
• Enduro and cross-country trail riding
• Top-end engine rebuilds and performance restoration
• Competitive off-road racing events

Specs At A Glance

Good To Know

Q: What is the difference between a forged and cast piston? A: A forged piston is stronger and more resistant to heat and fatigue than a cast piston, making it ideal for high-performance engines. This forged piston kit is designed for demanding applications like motocross and enduro.

Q: Do I need to re-plate or hone the cylinder for this piston? A: This piston is sized for a standard 78mm bore, but you should always measure the cylinder and follow the manufacturer's clearance specifications. Honing or re-plating may be necessary depending on cylinder wear.

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