{"product_id":"universal-parts-61mm-cylinder-kit-161qmk-169cc-gy6-200-s","title":"Universal Parts 61mm Cylinder Kit - 161QMK 169cc \"200cc\"","description":"\u003cp\u003eThe \u003cstrong\u003eUniversal Parts 61mm Cylinder Kit\u003c\/strong\u003e is a complete OEM-replacement cylinder assembly for GY6 \u003cstrong\u003e161QMK 169cc engines\u003c\/strong\u003e — commonly marketed as \"200cc\" — found in Chinese-made buggies, ATVs, and scooters. This kit replaces the cylinder, piston, and all associated hardware in one package.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e These 161QMK engines use a \u003cstrong\u003ewider stud spacing\u003c\/strong\u003e than standard GY6 125\/150cc engines. \u003cstrong\u003eVerify your stud spacing before ordering\u003c\/strong\u003e — There are several 161QMK Variants on the market.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCylinder (61mm bore)\u003c\/li\u003e\n\u003cli\u003ePiston with pin, circlips, and rings\u003c\/li\u003e\n\u003cli\u003eHead gasket\u003c\/li\u003e\n\u003cli\u003eBase gasket\u003c\/li\u003e\n\u003cli\u003eChain tensioner gasket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect Stud Spacing:\u003c\/strong\u003e 56mm square, 79mm diagonal — engineered specifically for 161QMK models, often from Vitacci, HHH, Tao Motor, Trailmaster, Coolster, and others.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Drop-In Kit:\u003c\/strong\u003e Everything needed for a full cylinder replacement in one box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Quality Construction:\u003c\/strong\u003e Cast aluminum cylinder with iron sleeve for durability and heat dissipation is sourced directly from engine OEMs to ensure original quality and fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Bore:\u003c\/strong\u003e 61mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Stud Spacing (Diagonal):\u003c\/strong\u003e 79mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Stud Spacing (Length):\u003c\/strong\u003e 56mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Stud Spacing (Width):\u003c\/strong\u003e 56mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height:\u003c\/strong\u003e 88.75mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Sleeve Outer Diameter:\u003c\/strong\u003e 64.25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Width:\u003c\/strong\u003e 49mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e GY6 161QMK 169cc with above dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eDisplacement\u003c\/th\u003e\n\u003cth\u003eStud Spacing\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e161QMK\u003c\/td\u003e\n\u003ctd\u003e169cc (\"200cc\")\u003c\/td\u003e\n\u003ctd\u003e56mm square \/ 79mm diagonal\u003c\/td\u003e\n\u003ctd\u003eBuggies, ATVs, Scooters\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eThe major Chinese brands and distributors utilizing this cylinder specification for their 169cc \/ \"200cc\" scooters, ATVs, and buggies include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitacci:\u003c\/strong\u003e Clash 200 \/ Clash 200 EFI, Eagle 200, Tanker 200, Focus 200, Fighter 200, Hiker 200, Ranger 200, Striker 200, V-Max 200, V-Sharp 200, Bella 200, Best 200, Bingo 200, Crola 200, Fula 200 and Roket 200.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHHH \/ Tank Sports:\u003c\/strong\u003e Tank 200 EFI \/ Tanker 200 scooters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTao Motor \/ TaoTao:\u003c\/strong\u003e TaoTao Bull 200 ATV and select 200-series utility buggies using the wide-stud 169cc platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrailMaster:\u003c\/strong\u003e Select 200-series go-karts and light utility buggies using wide-stud 161QMK 169cc variants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMS Powersports:\u003c\/strong\u003e Select 200cc utility scooters, go-karts and ATVs using this engine setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSR Motorsports \u0026amp; Coolster:\u003c\/strong\u003e Select 169cc\/200cc pit bikes, ATVs and youth buggies built on the 161QMK case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional existing applications:\u003c\/strong\u003e with matching 161QMK 169cc cylinder specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE: Verify your stud spacing before ordering. \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964654780737,"sku":"164-340","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/758427_b7b9f81d-45bf-474f-8cdb-610200ffa751.jpg?v=1792945428","url":"https:\/\/azscooterparts.com\/products\/universal-parts-61mm-cylinder-kit-161qmk-169cc-gy6-200-s","provider":"AZScooterParts","version":"1.0","type":"link"}