{"product_id":"boyesen-609-dual-stage-motorcycle-reed-valve-reeds-for-yamaha-it200-it175-and-yz125","title":"Boyesen 609 Dual-Stage Motorcycle Reed Valve Reeds for Yamaha IT200, IT175 and YZ125","description":"\u003cp\u003eUpgrade your two-stroke engine with Boyesen 609 dual-stage motorcycle reeds, designed to improve throttle response, airflow, and overall engine performance. These replacement reeds use a dual-stage design that helps the engine respond more quickly across the powerband while supporting stronger low-pressure, low-throttle performance. The result is smoother acceleration and improved rideability for trail and motocross applications.\u003c\/p\u003e\u003cp\u003eBoyesen 609 reeds are engineered to open and close faster than conventional reed designs, helping increase intake velocity and available flow area. This performance-focused construction can provide noticeable horsepower gains with a relatively minor engine modification. The reeds are also designed for extended service life and offer added protection against engine damage if a reed breaks, making them a practical choice for performance-minded riders.\u003c\/p\u003e\u003cp\u003eThese Boyesen motorcycle reeds are intended for fitment on select Yamaha two-stroke models, including the 1980–1984 Yamaha IT175, 1984–1986 Yamaha IT200, and 1984–1986 Yamaha YZ125. Verify the motorcycle model and year before installation to ensure proper compatibility. Manufacturer part number 609 and vendor part number 609 identify this replacement reed component.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDual-stage reed design supports improved engine response and performance\u003c\/li\u003e\n\u003cli\u003eFaster opening and closing helps optimize intake operation\u003c\/li\u003e\n\u003cli\u003eIncreased velocity and flow area can improve horsepower and acceleration\u003c\/li\u003e\n\u003cli\u003eImproved low-pressure, low-throttle response for smoother riding\u003c\/li\u003e\n\u003cli\u003eDurable construction provides longer overall service life\u003c\/li\u003e\n\u003cli\u003eDesigned to help prevent engine damage if a reed breaks\u003c\/li\u003e\n\u003cli\u003eFits select Yamaha IT175, IT200, and YZ125 two-stroke motorcycles\u003c\/li\u003e\n\u003cli\u003eBrand: Boyesen\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 609\u003c\/li\u003e\n\u003cli\u003eVendor part number: 609\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1980 Yamaha It175\u003cbr\u003e\n1980 Yamaha YZ125\u003cbr\u003e\n1981 Yamaha It175\u003cbr\u003e\n1981 Yamaha YZ125\u003cbr\u003e\n1982 Yamaha It175\u003cbr\u003e\n1982 Yamaha YZ125\u003cbr\u003e\n1983 Yamaha It175\u003cbr\u003e\n1983 Yamaha YZ125\u003cbr\u003e\n1984 Yamaha It200\u003cbr\u003e\n1984 Yamaha YZ125\u003cbr\u003e\n1985 Yamaha It200\u003cbr\u003e\n1985 Yamaha YZ125\u003cbr\u003e\n1986 Yamaha It200\u003cbr\u003e\n1986 Yamaha YZ125\u003cbr\u003e\n1987 Yamaha YZ125\u003cbr\u003e\n1993 Yamaha YZ125","brand":"BOYESEN","offers":[{"title":"Default Title","offer_id":67549817667819,"sku":"59-7609","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/70b0-5cc0607d50fde.jpg?v=1790695410","url":"https:\/\/ctracingservices.com\/products\/boyesen-609-dual-stage-motorcycle-reed-valve-reeds-for-yamaha-it200-it175-and-yz125","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}