30 days returns
Help and contacts
VERTEX Replica Piston (manufacturer part number 23703B) — Replacement part designed for 300 cc engines. Cast aluminum piston, designed as a retrofit piston for TM RACING EN 300 / ES / FI ES engines. Ideal for maintenance or restoration work on motocross and off-road machines.
This Replica kit features the necessary dimensions for proper installation on the specified cylinders. It allows for the replacement of the worn piston and integrates into standard engine revision operations (bore inspection, honing, timing). The finish and dimensions comply with replacement part standards for motocross, without claiming unverified performance.
Delivery contents:
Common compatibilities: TM RACING MX 300 (2018), EN 300 (2019), MX 300 ES (2022) — always verify the dimensions and the condition of the cylinder before installation. For installation, follow the manufacturer's recommendations and perform appropriate break-in after installation.
