Why the yfz450 zip tie mod is a total lifesaver
Getting rid of that annoying low-end stumble is easy once you try the yfz450 zip tie mod on your carb. If you've spent any time on the older, carbureted Yamaha YFZ450s, you know exactly what I'm talking about. You're sitting at the bottom of a dune or lining up for a jump, you whack the throttle open, and for a split second, the engine just coughs. It hesitates. It's that "bog" that has plagued the Keihin FCR carburetor since the dawn of time, and honestly, it's enough to make you want to sell the bike on some days. ...