*****ATTENTION BIKERS -- AVOID SLIDES SELLING ON EBAY FOR $60 LISTED AS "IMPROVED"

I write this with experience after I tested one of those slides for 6 months. They will ruin the inner wall of the carburetor due to poor design.  Billet aluminum is way stronger than cast aluminum that the carb is made from and the carb will take a beating. Corners have been cut in the design causing more grinding on the inner walls by not allowing the vacuum to be released through the top. The "half moon" sections that the OEM throttle plates have are crucial, because they allow the vacuum to be released through the ports that co-respond to them on the inner walls of your carburetors. If you remove the top cap of your carburetor you will see what I am referring to. The lower tapers on the slide that tuck in between the body and the Venturi ring at the bottom are also not there on the completely flat design of the $60 slide selling on eBay. The slides were designed in such way by Keihin for a reason and I have explained above why.  We are not talking about an aftermarket o-ring or gasket here, this is an important actuating part that will affect your carb. Something to keep in mind before buying parts.

*Made By Keihin

Using highest standards that ensure only the best quality for exact fit and proper function in all conditions.

1x Vacuum release plate L for KEIHIN FCR RACING carburetors

Will fit all 35mm - 41mm FCR carburetors on dirt or street bikes.

The plate stamped with M stamping will not work for the FCR-Racing models, see my other listings for that slide.

The vacuum release plate is the loose plate on the flat slide assembly that serves as sort of a vacuum valve to help regulate engine vacuum, particularly when starting. Will also cause inconsistent idling when leaking or worn.

I highly recommended a new Vacuum Plate o-ring when replacing the slide, if the slide went bad its because the o-ring was not maintained and the extra movement caused the damage.  I can offer a combo price on both - please send a message for it

Many other Parts, accessories and carburetors in stock
If you don't see something you need please send me a message