• Item fits 1987-2006 models.
• Dynojet jet kits provide a simple and affordable solution to carburetor tuning problems. Kit increase power and smoothness throughout the rev range while maintaining optimum fuel economy. Each Dynojet jet kit includes comprehensive instructions which show step-by-step installation and testing procedures to ensure a perfect set up every time. This is backed by free telephone and Internet support to Dynojet customers.
• Stage 2 jet kits are designed for machines with stock or mildly modified engines using well-design stock or aftermarket exhausts with a modified airbox and a stock or replacement air filter.
• For applications where airbox modifications improve overall engine performance.
• A power increase of 8% can be achieved in most cases.
• Yamaha YFZ350A, YFZ350B, YFZ350D, YFZ350E, YFZ350F, YFZ350G, YFZ350H, YFZ350J, YFZ350K, YFZ350L, YFZ350LES, YFZ350M, YFZ350N, YFZ350P, YFZ350R, YFZ350S, YFZ350SET, YFZ350SEV, YFZ350T, YFZ350U, YFZ350V, and YFZ350W.

JC Motors Part# Q400