AIRSAL Cylinder Kit - Ø57.4mm for Yamaha (Manufacturer part number: 021270574). This AIRSAL cylinder kit is designed for the restoration of the cylinder group of small Yamaha 125 single-cylinder engines. With a bore of Ø57.4 mm, it serves as a replacement solution for the affected engines, adhering to the original architecture.

Designed for the roadster segment, this kit allows for the restoration of essential upper engine components during maintenance or engine refurbishment. Its format is suitable for installations requiring a bore of 57.4 mm on the Yamaha models listed below.

• YAMAHA YBR 125 E (2016 - 125 cm³)
• YAMAHA XT 125 X (7401) (2008 - 125 cm³)
• YAMAHA XT 125 R (7401) (2008 - 125 cm³)

This kit is aimed at motorcyclists and workshops that work on air flow clutching, transfer timing, and cylinder geometry. Before installation, check compatibility with your engine and wear measurements (piston, rings, clearance between piston and cylinder). For a safe installation, follow the manufacturer's tightening and assembly recommendations or have the installation performed by a professional.