Korean diesel generator engine

Diesel generator, knocking at 6500, everything shown in pictures Maintenance check was done and the technician said it needs overhaul (knocking) • Model: IY-457837 • Electrical power (Power): ‎AC 220V – 50/60Hz • Fuse: ‎5A / 250V • Bulb: ‎ELC 24V – 250W • Country of origin: ‎Made in Korea (Korean manufacture) Selling to the highest bidder