Yamaha - Jet, pilot (#42.5) - 7CU-E4142-42-A0Yamaha Pilot Jet #42. 5 Carburetor Fuel Metering Component 7CU E4142 42 A0 Overview Pilot jets are one of the first things I look at when an engine wont idle clean or feels off right off idle. It doesnt take muchjust a little buildup or the wrong sizeand the whole low speed range suffers. Ive brought plenty of engines back to life just by swapping in the correct jet. When its right, the idle smooths out and throttle pickup feels crisp again. Key
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols