Expansion Chamber to Silencer Coupler Seal and Spring Kit for Yamaha YZ 125 cc 2-Stroke Exhaust Seal Kit for 2001 & Up YZ125 & YZ125X. Replaces OEM Coupler # 4JY-14615-00-00
Kit configured to re-seal stock or aftermarket pipe with proper new swivel hook pipe springs, "O" Rings, and Hi-temp silencer to pipe coupler.
Replaces factory equipment with exact fit quality parts.
Kit comes complete with what you see.
Designed to fit YZ125/YZ125X all 2001 to current models.
Complete set, nothing else needed to seal up your two stroke exhaust pipe.
Description
Expansion Chamber Seal kit for YAMAHA YZ 125 2-Stroke YZ125 and YZ125X Dirtbikes Motorcycles. Kit replaces old factory parts with fresh springs, o-ring seals, and pipe to silencer coupler. Replaces OEM coupler # 4JY-14615-00-00 and measures 29-31mm.