Seller notes

YFZ450 Jet Kit BASIC Multi Stage Kit Includes: 1- Main Jet Size 1621- Main Jet Size 1651- Main Jet Size 1681- Main Jet Size 1701- Main Jet Size 1721- Pilot Jet Size 451- Pilot Jet Size 48 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 Jet Kit, Designed to your Mods, Complete Ins...

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