{"product_id":"wiseco-77-0mm-ring-compressor-sleeve","title":"Wiseco 77.0mm Ring Compressor Sleeve","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eRCS07700\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 193564176493\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eWiseco 77.0mm Ring Compressor Sleeve for Kawasaki KX250F 2004-2024, Yamaha YZ250F 2006-2024, Suzuki RM-Z250 2007-2024\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eWiseco 77.0mm ring compressor sleeves provide a precision tool for installing pistons during high-performance engine rebuilds on motocross bikes. This sleeve fits Kawasaki KX250F 2004-2024, Yamaha YZ250F 2006-2024, and Suzuki RM-Z250 2007-2024 models with 77mm bores. Forged in-house in the USA, it compresses rings evenly to avoid damage and ensure smooth assembly in demanding off-road applications.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e77.0mm Precision Bore:\u003c\/strong\u003e Matches Wiseco pistons and OEM 77mm bores exactly for a secure fit that prevents slippage during installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged Phenolic Resin:\u003c\/strong\u003e High-strength material withstands cracking and handles repeated professional engine builds without failure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA Manufacturing:\u003c\/strong\u003e In-house forging delivers tight tolerances and reliable performance for critical piston jobs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered Sleeve Design:\u003c\/strong\u003e Guides the piston into the cylinder smoothly while compressing rings uniformly across the bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Build:\u003c\/strong\u003e Weighs just 0.1 lbs for easy handling in tight spaces during motocross and off-road engine rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReusable design handles multiple engine installations when cleaned properly after each use\u003c\/li\u003e\n\u003cli\u003eInspect sleeve for wear before each use to ensure ongoing compression accuracy\u003c\/li\u003e\n\u003cli\u003eShips in protective sleeve inside 4 x 4 x 2 inch box for secure delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eCombine with quality ring compressor pliers for controlled and even ring compression\u003c\/li\u003e\n\u003cli\u003eCompatible with Wiseco 77mm pistons and OEM connecting rods on listed models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2024\u003c\/td\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKX250F\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2024\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250F\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2024\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eRM-Z250\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Wiseco?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven track record in motocross piston and tool innovation since 1986\u003c\/li\u003e\n\u003cli\u003eUSA-forged components deliver unmatched build quality\u003c\/li\u003e\n\u003cli\u003ePrecision engineering supports demanding high-performance rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this ring compressor fit my KX250F engine rebuild?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it fits all Kawasaki KX250F 2004-2024 models with the stock 77.0mm bore, plus compatible Wiseco piston kits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material makes up the Wiseco RCS07700?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Forged phenolic resin provides durability, reusability, and resistance to compression stress during installs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does Wiseco offer support for installation issues?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Follow included instructions or consult Wiseco tech support. Tool covered under limited manufacturer warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective sleeve in 4 x 4 x 2 inch box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":43758779793487,"sku":"WISRCS07700","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/wiseco-77_0mm-ring-compressor-sleeve-wiseco.jpg?v=1767415304","url":"https:\/\/www.blackopsautoworks.com\/products\/wiseco-77-0mm-ring-compressor-sleeve","provider":"Black Ops Auto Works","version":"1.0","type":"link"}