Namura Size C Standard Bore Top End Repair Kit for KTM 85 SX 2018-2026 47mm

Namura Size C Standard Bore Top End Repair Kit for KTM

This top end repair kit for KTM 85 SX models includes everything needed to restore cylinder compression and power in 2018-2026 machines with a 47mm bore.

Overview

The Namura Size C standard bore top end repair kit for KTM 85 SX provides a piston, rings, wrist pin, and circlips to rebuild the top end. It is designed for 47mm bore engines used from 2018 through 2026, giving riders a reliable replacement for worn components.

Built For Performance

• Precision-machined piston from 4032 aluminum alloy
• Ring set with proper end gap for 47mm bore
• Wrist pin with hardened surface for long life
• Includes circlips for secure retention
• Size C designation matches OEM oversize tolerances

Fits These Machines

• for KTM 85 SX (2018-2026)

On-The-Job Use

• Motocross track maintenance and rebuilds
• Trail riding top-end refresh
• Competition engine overhauls
• Pre-season or post-season restoration

Specs At A Glance

Good To Know

Q: Does this kit include a cylinder? A: No, this top end repair kit includes piston, rings, wrist pin, and circlips only; the cylinder must be reused or replaced separately.

Q: Can I use this kit with a 47mm cylinder that has been honed? A: Yes, as long as the cylinder bore remains within standard tolerances for a 47mm piston, honing is acceptable before installation.

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