Motorcycle CNC Manual Timing Tensioner For ATV Bayou 220 250 300 KLF300 KLT250 KVF300 KZ1000 KZ250 12049-1055 This timing tensioner is designed for use with specific ATV and motorcycle models including Bayou 220, 250, 300, KLF300, KLT250, KVF300, KZ1000, and KZ250.It features a CNC-machined construction for precise fitment and.The manual tensioner helps maintain proper timing chain tension to support engine performance.This part replaces OEM number 12049-1055 and is intended for straightforward installation in compatible engines. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.