Some models may require a reed spacer and/or porting for clearance. The item "V Force 3 Reed Valve Kit Vintage Yamaha YZ250 1991-1996 WR250 1991-1997" is in sale since Wednesday, March 24, 2021. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Air Intake & Fuel Delivery\Other Intake & Fuel Systems". The seller is "parts-traders" and is located in Englewood, Colorado. This item can be shipped worldwide.