Seller notes

This Jet Kit Fits Mikuni 99 YAMAHA BIG BEAR 350 2X4 ATV Stage 3 , 4 & 5 / You get What's In Photo. Select the appropriate stage needed. Modifications to the air intake and/or Exhaust system to your ATV will change the air/fuel mixture to your carburetors causing a lean running condition. These kits include 2 Pilot Jet ( #45 #47.5), 3 Main Jets ( #132.5 #135 #137.5 ) and two needle shims for your carburetor. Multi Stage is for those experimenting with different engine, air intake and exhaust syst...

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