Seller notes

YFM400 Basic Jet Kit Multi Stage Kit Includes: 1- Main Jet Size 1151- Main Jet Size 117.51- Main Jet Size 1201- Main Jet Size 122.51- Main Jet Size 1251- Pilot Jet Size 42.51- Pilot Jet Size 451- Pilot Jet Size 47.52- Needle Shims What you see is what you get. This is the Bare Bones Kit. This is NOT our Custom Kit. No Tech Support is Included. Purchaser should know basic carb tuning, and what size they need based on their configuration, and how to install. If not, we would recommend our Custom J...

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