KMG‑M91A4‑10 conveyor belt is dedicated spare part for Yamaha YSM10 with 1.2‑meter extended conveyor for large PCB production. Belts under long‑span condition wear faster than standard‑size belts. Anti‑static & abrasion‑resistant construction ensures stable transport for extra‑long PCBs. Original and aftermarket replacements in stock, practical maintenance spare part for modified SMT equipment to reduce board‑transfer‑related downtime.