The Mikuni BN round pump type watercraft carburetor rebuild kits contain all the necessary genuine Mikuni components to rebuild your BN34, BN38, or BN44 series carburetor.  Includes diaphragms, gaskets, o-rings, screws, and valves however does not contain any jetting.  See the parts list and diagram below.


These kits will fit ALL of the following applications:

• Aftermarket BN34, BN38, BN44 round pump carburetor
• Kawasaki JS300 SX Jet Ski (1987-1991)
• Kawasaki JS300 Jet Ski (1986-1988)
• Kawasaki JS440 Jet Ski (1977-1990)
• Yamaha WJ500 Wave Jammer (1987-1989)
• Yamaha WR500 Wave Runner (1987-1989)

All kits are sold each, select the same amount of kits as you have carburetors to service.

Please note:  These are aftermarket BN carburetor rebuild kits that are made to fit aftermarket BN carburetors.  While many OEM Mikuni carburetors share the same characteristics as the aftermarket versions, there can be some slight differences that may prevent proper fitment of some parts. 

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.