Use only genuine Mikuni components for the highest quality rebuild on your carburetors.  Genuine Mikuni components are precision manufactured to OEM tolerances with materials that do not compromise when it comes to long lasting durability.  Mikuni parts offer many years of long-lasting performance and do not degrade like many other aftermarket components when subjected to the modern-day pollution friendly fuels.

The Mikuni MK-BSR33 carburetor rebuild kit contains all the necessary genuine Mikuni components to rebuild your OEM Yamaha Big Bear, Grizzly, Kodiak, or Wolverine ATV carburetors.  Includes genuine gaskets, O-rings, screws, and clips however does not contain any jetting.  See the parts list and diagram below, ALL included parts are circled and listed.  Model applications are also listed below.

The MK-BSR33 rebuild kit works on ALL of the following models:

• 2004-2005 Yamaha Bruin
• 2004-2006 Yamaha YFM350A/FA  2WD/4WD
• 2007-2011 Yamaha YFM350G/FG  2WD/4WD
• 2006-2007 Yamaha YFM350X Wolverine
• 2000-2004 Yamaha YFM400 Big Bear 2WD
• 2000-2012 Yamaha YFM400F Big Bear 4WD
• 2004-2007 Yamaha YFM350 Grizzly
• 2000-2006 Yamaha YFM400FA Kodiak 4WD
• 2007-2008 Yamaha YFM400FG Grizzly
• 2000-2004 Yamaha YFM400FG Kodiak 2WD
• 2006-2008 Yamaha YFM450FX Wolverine
• 2008-2011 Yamaha YFM450FG Grizzly
• 2003-2006 Yamaha YFM450F Kodiak
• Please Note: One rebuild kit will service one carburetor

All genuine Mikuni jetting available for your carb to add to the rebuild kit.  Please inquire for help with jetting or sizes.  The jetting required by these models is listed below, individual sizes will vary.  Because of this it is always best to check and see what size jet is actually installed before replacing. 

• Mikuni main jets = N102.221
• Mikuni N102.221 Small Round Main Jet

• Mikuni pilot jets = N224.103
• Mikuni N224.103 Pilot Slow Jet

Do you need help rebuilding your carburetor?  We offer expert carburetor rebuilding and reconditioning services.  We can rebuild your carburetor using this genuine Mikuni rebuild kit with FREE shipping when combined with the rebuild kit.  Checkout the link below and please inquire for more information.  

Carburetor Cleaning and Reconditioning Service

Please feel free to contact us with any additional questions or requests, we are available by direct line, IM, or email. We are available for tuning and setup questions as well as continuing product support after the sale.