
Manufacturer reference: NK600.58.2 — Brand: NARAKU. 125 cm³ cylinder kit as a replacement for 4-stroke YI type engines, designed for users who want a complete cylinder block ready to install on their 125 machine.
This kit includes an aluminium cylinder equipped with a durable Steelliner sleeve, bore 52 mm — config 125 cm³ — supplied as illustrated with the piston set and the necessary sealing materials. Designed for replacement or refurbishment of the top end, it offers a construction suitable for the thermal and mechanical stresses commonly found in modern 125 motorcycles.
Workshop advice: for this installation, Naraku recommends using the chain tensioner reference NK500.06. Check engine compatibility and follow manufacturer recommendations for installation and running-in to ensure a reliable setup.