This Jet Kit Fits 2004 2005 Yamaha YFZ450 ATV

You get What's In Photo.

Select the appropriate size 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.

This kit includes 2  Pilot Jets  #45 #48), 5 main Jets ( #165 #168 #170 #172 #175) 

Multi stage is for ATV with modified air intakes with Aftermarket filter and baffled aftermarket exhaust system.

 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.

provides Jet Kits to compensate for the lean running condition.

Lean running conditions can destroy your engine and decreases overall performance.

Jet kits are easy to install and do not require drilling the needle slides  but does require some basic carburetor tuning knowledge. 

International Buyers – Please Note: 

Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.

Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.