2FastMoto carburetor repair/rebuild kit for Yamaha XS400 and XS400S.
Time and old gasoline can deteriorate the rubber components, wear down the needle and seat or gum up small orifices and the float valve of your carburetor, leading to leaks or poor performance.
Each kit contains all necessary gaskets, precision made brass jets, o-rings, springs, and float valves with Viton tips.
Our high quality 2FastMoto carburetor repair kit gives you all the components you need to restore proper performance to your motorcycle's carburetor.
You will receive all the pieces shown in the image above. This kit will rebuild 1 carburetor.
Main Jet - #112.5 (2 pieces) and 142.5
Pilot Jet - #42.5
Jet Needle - Y316S
See fitment for year and model compatibility.
Sold as a 2 pack.
If you’re looking for an affordable solution to fix your carb problems, 2FastMoto has what you need! 2FastMoto carries carburetor rebuild/repair kits, carb float replacements, and carburetor diaphragms, for popular motorcycle and snowmobile makes like Harley-Davidson, Yamaha, Honda, Suzuki, Kawasaki, Polaris, Arctic Cat, and Ski-Doo, as well as air cutoff valves and carb intake flanges for your favorite models and ride types as well!
Didn’t find what you were looking for? 2FastMoto offers a huge selection of maintenance parts like carb kits, bulbs, air filters, and gasket sets, as well as hard parts like cables, levers, throttles, & more! If you’re looking for a hard-to-find part for your vintage motorcycle, look no further than our 2FastMoto line. In addition to carrying parts for vintage motorcycles, you can also find parts for offroad bikes, personal watercraft, snowmobiles, eBikes, and more!