{"title":"Wrist Pins \u0026 Clips","description":"","products":[{"product_id":"piston-pin","title":"Universal Parts Piston Pin","description":"Universal Parts Piston Pin for 50cc 4-stroke QMB139 engines.\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eAll sales on clearance items are final.\u003c\/span\u003e\u003cul\u003e \n\n\u003cli\u003eLength: 31mm    \n\n\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 13mm\u003c\/li\u003e\n\u003c\/ul\u003eQMB139 50cc\/49cc , Various unlisted makes\/models","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964494250305,"sku":"151-16","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/451102_53d755fd-15a9-4ca4-9aba-272ead601569.jpg?v=1792945444"},{"product_id":"piston-pin-clip","title":"Universal Parts Piston Pin Clip","description":"\u003cp\u003e50cc 4-stroke precision piston pin clip from Universal Parts. Designed specifically for the QMB139 engine platform, this circlip secures the 13mm piston pin in place, preventing lateral movement and ensuring reliable engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e QMB139 50cc \/ 49cc engines and various unlisted makes\/models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin Diameter:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Piston pin retention \/ circlip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 4-stroke, air-cooled\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for routine engine rebuilds, piston replacements, or preventive maintenance. Always replace piston pin clips when servicing the piston assembly.\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964495003969,"sku":"151-17","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/451481.jpg?v=1792945450"},{"product_id":"13mm-4-stroke-wrist-pin","title":"Universal Parts 13mm, 4-stroke Wrist Pin","description":"Universal Parts Wrist pin for 49cc-110cc 4-stroke engines. Please double check measurements before ordering.\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eAll sales on clearance items are final.\u003c\/span\u003e\u003cul\u003e \n\n\u003cli\u003eOuter Diameter: 13mm \n\n\u003c\/li\u003e\n\u003cli\u003eOverall Length: 41.5mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":67964503753025,"sku":"141-17","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/451372.jpg?v=1792945422"},{"product_id":"circlip-wrist-pin-vnbvbb","title":"Circlip, Wrist Pin - VNB,VBB","description":"\u003cp\u003eA circlip or snap ring is a type of fastener consisting of a semi-flexible metal ring with open ends which can be snapped into place, into a machined groove on a dowel pin or other part to permit rotation but to prevent lateral movement. \u003c\/p\u003e\n\n\u003cp\u003eThis one is used for the wrist pin of a piston in a vintage Vespa VNB 125 or VBB 150.\u003c\/p\u003e","brand":"Mec Eur","offers":[{"title":"Default Title","offer_id":67964553888065,"sku":"S 06615","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-6263-0-s_2006615_d9f60597-b03a-4f90-9f39-cb71fb64aa25.jpg?v=1792557838"},{"product_id":"wrist-pin-vintage-vespa-50","title":"Wrist Pin (Vintage Vespa 50)","description":"\u003cp\u003eWrist Pin for V5A (Vespa 50) small frame vintage scooters\u003c\/p\u003e","brand":"Mec Eur","offers":[{"title":"Default Title","offer_id":67964564177217,"sku":"150868","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-7261-0-150868_06e2a8a5-148e-440f-8542-eba3e440c94d.jpg?v=1792557849"},{"product_id":"wrist-pin-gy6","title":"Wrist Pin; GY6","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eHigh-quality, OEM replacement 15mm wrist pin on GY6 125-150cc Chinese scooter engines.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 164-47\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDiameter: 15mm\u003c\/li\u003e\n\u003cli\u003eLength: 41mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e157QMJ\u003c\/td\u003e\n\u003ctd\u003e161QMK\u003c\/td\u003e\n\u003ctd\u003e152QMI\u003c\/td\u003e\n\u003ctd\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd\u003e1P52FMI\u003c\/td\u003e\n\u003ctd\u003e154FMI\u003c\/td\u003e\n\u003ctd\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd\u003eOther QMJ, QMK, and QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout AZScooterParts:\u003c\/strong\u003e Since the beginning in 1989, AZScooterParts has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.\u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=243\"\u003eGY6 CRANKSHAFT AND PISTON\u003c\/a\u003e \u003cspan\u003eCallout 4\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e","brand":"Brand not specified","offers":[{"title":"Default Title","offer_id":67964599730497,"sku":"1100-1193","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-8710-0-1100-1193_ea34b633-553e-4c07-8ec5-6c94ddcb7041.jpg?v=1792557929"},{"product_id":"wrist-pin-14mm-v9a","title":"Wrist Pin (14mm); V9A","description":"\u003cp\u003eWrist pin for vintage Vespa smallframe scooters (V9A)\u003c\/p\u003e","brand":"Mec Eur","offers":[{"title":"Default Title","offer_id":67964604154177,"sku":"98372","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-7737-0-98372_6d2867f5-52e7-425d-8d30-7f0187e46ba7.jpg?v=1792557934"},{"product_id":"circlip-wrist-pin-v5a","title":"Circlip, Wrist Pin - V5A","description":"\u003cp\u003eA circlip or snap ring is a type of fastener consisting of a semi-flexible metal ring with open ends which can be snapped into place, into a machined groove on a dowel pin or other part to permit rotation but to prevent lateral movement. \u003c\/p\u003e\n\n\u003cp\u003eThis one is used for fastening the wrist pin in place in a piston on vintage Vespa V5A scooters.\u003c\/p\u003e","brand":"Mec Eur","offers":[{"title":"Default Title","offer_id":67964610412865,"sku":"S 06612","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-8296-0-s_2006612_c1f68719-b47a-48e9-82f8-5b3dd0767d80.jpg?v=1792557942"},{"product_id":"wrist-pin-vsb-nos","title":"Wrist Pin, VSB NOS","description":"\u003cp\u003e15mm Outer Diameter. GS160\u003c\/p\u003e","brand":"Brand not specified","offers":[{"title":"Default Title","offer_id":67964611363137,"sku":"58430","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-8556-0-58430_c3d97991-8450-4d9f-a84d-7b42660e8371.jpg?v=1792557943"},{"product_id":"polini-wrist-pin-circlip-12mm-polini-cylinder-kits","title":"Polini 12mm Wrist Pin Circlip for Polini Cylinder Kits","description":"\u003cp\u003eKeep your wrist pin securely seated with this \u003cstrong\u003ePolini 12mm Wrist Pin Circlip\u003c\/strong\u003e. C-shaped spring steel wire circlip with two inward-curled retention hooks that snap into the wrist pin bore groove to retain the pin in the piston. Correct replacement for Polini cylinder kits on Minarelli-based 2-stroke scooter engines. \u003cstrong\u003eSold individually\u003c\/strong\u003e — order two per piston (one for each side of the wrist pin).\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eC-Shaped Spring Steel Wire Circlip with Two Inward-Curled Retention Hooks\u003c\/li\u003e\n\u003cli\u003e12mm Wrist Pin Diameter — Correct Replacement for Polini Cylinder Kits\u003c\/li\u003e\n\u003cli\u003eSnaps into Wrist Pin Bore Groove to Retain Pin in Piston\u003c\/li\u003e\n\u003cli\u003eSold Individually — 2 Required Per Piston (One Each Side)\u003c\/li\u003e\n\u003cli\u003eFits Minarelli AM3\/AM4\/AM5\/AM6 and Similar 2-Stroke Engines with Polini Cylinder Kits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 1100-1485\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Polini\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e C-clip \/ wire circlip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Spring steel wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold:\u003c\/strong\u003e Individually (2 required per piston)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003eReplacement circlip for Polini cylinder kits using a 12mm wrist pin on Minarelli AM3, AM4, AM5, AM6, and similar 2-stroke horizontal and vertical engine variants. Confirm wrist pin diameter before ordering.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"Polini","offers":[{"title":"Default Title","offer_id":67964621029697,"sku":"1100-1485","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/9BF0C203-7826-4630-9842-3BF73A3F2C9E.png?v=1792793672"},{"product_id":"clip-wrist-pin-gy6","title":"Clips (Wrist Pin, Pair); GY6","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eWrist pin circlips for 15mm pistons on GY6 125-150cc engines.\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 164-48\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e157QMJ\u003c\/td\u003e\n\u003ctd\u003e161QMK\u003c\/td\u003e\n\u003ctd\u003e152QMI\u003c\/td\u003e\n\u003ctd\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd\u003e1P52FMI\u003c\/td\u003e\n\u003ctd\u003e154FMI\u003c\/td\u003e\n\u003ctd\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd\u003eOther QMJ, QMK, and QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout AZScooterParts:\u003c\/strong\u003e Since the beginning in 1989, AZScooterParts has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.\u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=243\"\u003eGY6 CRANKSHAFT AND PISTON\u003c\/a\u003e \u003cspan\u003eCallout 6\u003c\/span\u003e\n\u003c\/li\u003e\u003c\/ul\u003e","brand":"Brand not specified","offers":[{"title":"Default Title","offer_id":67964629975361,"sku":"1100-1194","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-9060-0-1100-1194_203f302a-566a-4177-a1f0-17c85b266e22.jpg?v=1792558020"},{"product_id":"10mm-polini-wrist-pin-for-polini-cylinder","title":"Polini Wrist Pin (10mm); Polini Cylinder","description":"\u003cp\u003e10mm Polini Wrist Pin for Polini Cylinder.\u003c\/p\u003e","brand":"Polini","offers":[{"title":"Default Title","offer_id":67964703965505,"sku":"1100-1544","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-16629-0-1100-1544_0c1a81c1-0cbf-4a87-b0bf-21c77abef672.jpg?v=1792558851"},{"product_id":"10mm-polini-wrist-pin-circlip-for-polini-cylinder-kits","title":"Polini Wrist Pin Circlip (10mm); Polini Cylinder Kits","description":"\u003cp\u003e10mm Polini Wrist Pin Circlip for Polini Cylinder Kits.\u003c\/p\u003e","brand":"Polini","offers":[{"title":"Default Title","offer_id":67964705636673,"sku":"1100-1543","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-16632-0-1100-1543_24173e32-051a-4c92-a016-27042bd65bc2.jpg?v=1792558852"},{"product_id":"genuine-scooters-pair-clips-piston-pin-for-stella-auto-4t","title":"Clips, Piston Pin (Pair); Stella Auto\/4T","description":"\u003cp\u003eGenuine Scooters Pair Clips, Piston Pin for Stella Auto\/4T.\u003c\/p\u003e","brand":"Genuine Scooters","offers":[{"title":"Default Title","offer_id":67964725887297,"sku":"SF504-1179","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-17263-0-84B8A339-A0B7-45B4-9F16-65FB766AE11F.jpg?v=1792558915"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/collections\/az-p051-wrist-pins.png?v=1793858266","url":"https:\/\/azscooterparts.com\/collections\/az-wrist-pins.oembed","provider":"AZScooterParts","version":"1.0","type":"link"}