{"title":"Harken Performa 50.3 ST Winch — Installation \u0026 Maintenance Manual","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v1.css?v=1790893904\"\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag\"\u003eINSTALLATION \u0026amp; MAINTENANCE MANUAL\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eThe original Harken installation \u0026amp; maintenance manual for the Performa 50.3 ST Winch, with every part in it that we carry, matched by Harken part number.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-doc\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eInstallation \u0026amp; Maintenance Manual\u003c\/b\u003e\u003csmall\u003ePDF · 23 pages · 2.2 MB\u003c\/small\u003e\n\u003c\/div\u003e\n\u003ca class=\"om-btn dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Harken-Performa-50.3-ST-Winch-Installation-Maintenance-Manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload PDF\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca class=\"om-btn buy\" href=\"\/products\/har503stp\"\u003eBuy\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR503STP.jpg?v=1747147835\" alt=\"Performa 50.3 ST Winch\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"om-h\"\u003eParts in this Manual We Carry\u003c\/h2\u003e\n\u003cp\u003eHarken part numbers as printed in the installation \u0026amp; maintenance manual, matched to the genuine parts in our store.\u003c\/p\u003e\n\u003cdiv class=\"om-tbl\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eHarken part no.\u003c\/th\u003e\n\u003cth\u003eOur part\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA96633400\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hara96633400\"\u003eWinch Spare for Performa Size 50 - Base Assembly\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS4152300A7\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars4152300a7\"\u003eWinch Spare for Radial Size 35 to 40 - Bushing Igus (22 x 25 x 9.5 mm)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS414890080\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars414890080\"\u003eWinch Spare for Radial Size 35 to 40 - Bushing Housing (9 x 11 x 7)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS413330085\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars413330085\"\u003eWinch Spare for Radial Size 46 - Bushing (12 x 14 x 11)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS413020004\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars413020004\"\u003eWinch Spare for Radial Size 35 to 50 - Gear Z12\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS416050004\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars416050004\"\u003eWinch Spare for Radial Size 50 - Pin\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS278170002\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars278170002\"\u003eWinch Spare for Radial Size 46 to 70 - Washer (12.5 x 48 x 1.5)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS412800041\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars412800041\"\u003eWinch Spare for Radial Size 50 - Gear Z30\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS414260004\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars414260004\"\u003eWinch Spare for Radial Size 46 to 50 - Pawls Carrier (8 x N2)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS000090004\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars000090004\"\u003eWinch Spare for Performa Size 35 to 70 - Pawl 8 Dia. 17-4PH (B009)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS000380001\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars000380001\"\u003eWinch Spare for Radial \u0026amp; Performa Size 15 to 80 - Pawl Spring (B038)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS415590041\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars415590041\"\u003eWinch Spare for Radial Size 50 - Gear Z20\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS415610004\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars415610004\"\u003eWinch Spare for Radial Size 50 - Pinion Z11\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA72821800\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hara72821800\"\u003eWinch Spare for Radial Size 60 to 80 - Roller Bearing (14x20x18)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS281340080\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars281340080\"\u003eWinch Spare for Radial Size 50 - Spacer roller bearings\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS413120002\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars413120002\"\u003eWinch Spare for Radial Size 35 to 70 - Washer (22.5 x 45 x 1)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS413070004\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars413070004\"\u003eWinch Spare for Radial Size 35 to 50 - Pin\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA94156000\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hara94156000\"\u003eWinch Spare for Radial Size 50 - Assy Gear Z11\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM0606303\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harm0606303\"\u003eWinch Spare for Radial Size 46 to 70 - Screw (M8x25 UNI 5931)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA74135100\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hara74135100\"\u003eWinch Spare for Radial \u0026amp; Performa Size 50 to 90 - Needle Roller Bearing (85 x 97 x 26)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA96572400\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hara96572400\"\u003eWinch Spare for Performa Size 50 - Drum Assembly\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS414280080\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars414280080\"\u003eWinch Spare for Radial Size 46 to 50 - Peeler\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM0601803\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harm0601803\"\u003eWinch Spare for Radial Size 35 to 70 - Screw UNI EN ISO 1207:1996 M6x35 A4\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM0635103\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harm0635103\"\u003eWinch Spare for Radial Size 35 to 40 - Socket Head Screw M6x16 Uni 5931\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM0624103\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harm0624103\"\u003eWinch Spare for Electric Size 46 to 60 - Screw M4 x 16\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM0601903\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harm0601903\"\u003eWinch Spare for Radial \u0026amp; Performa Size 60 to 70 - Screw M6x16 UNI1207\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS415130085\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/hars415130085\"\u003eWinch Spare for Radial Size 20 to 35 - Washer Socket\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM0614303\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harm0614303\"\u003eWinch Spare for Radial \u0026amp; Performa Size 15 to 80 - Screw (M8x20 UNI 6109)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har503stp\"\u003eSelf Tailing Winch Performa Size 50 - Aluminum Black \/ Three Speed\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har502stp\"\u003eSelf Tailing Winch Performa Size 50 - Aluminum Black \/ Two Speed\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eNeed a part that isn't listed? \u003ca href=\"\/pages\/contact\"\u003eAsk us to source it\u003c\/a\u003e and quote the part number from the PDF.\u003c\/p\u003e\n\u003ch2 class=\"om-h\" id=\"om-products\"\u003eProducts in this Manual\u003c\/h2\u003e\n\u003c\/div\u003e","products":[{"product_id":"harm0624103","title":"Harken Winch Spare for Electric Size 46 to 60 - Screw M4 x 16","description":"\u003cp\u003eHarken Spare: Screw M4 X 16 WE 46\/60 RW\u003c\/p\u003e\u003cp\u003e Our Part # HARM0624103 | Harken Part # M0624103\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347395223858,"sku":"HARM0624103","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARM0624103.jpg?v=1728056960"},{"product_id":"hars000380001","title":"Harken Winch Spare for Radial \u0026 Performa Size 15 to 80 - Pawl Spring (B038)","description":"\u003cp\u003eHarken Spare: Pawl Spring (B038)\u003c\/p\u003e\u003cp\u003e Our Part # HARS000380001 | Harken Part # S000380001\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347395911986,"sku":"HARS000380001","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARS000380001.jpg?v=1728043229"},{"product_id":"harm0635103","title":"Harken Winch Spare for Radial Size 35 to 40 - Socket Head Screw M6x16 Uni 5931","description":"\u003cp\u003eHarken Spare: Socket Head Screw M6x16 Uni 5931\u003c\/p\u003e\u003cp\u003e Our Part # HARM0635103 | Harken Part # M0635103\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347400106290,"sku":"HARM0635103","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARM0635103.jpg?v=1728045154"},{"product_id":"harm0601903","title":"Harken Winch Spare for Radial \u0026 Performa Size 60 to 70 - Screw M6x16 UNI1207","description":"\u003cp\u003eHarken Spare: Screw M6X16 UNI1207 for Radial \u0026amp; Performa Winch size 60\u003c\/p\u003e\u003cp\u003e Our Part # HARM0601903 | Harken Part # M0601903\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347407282482,"sku":"HARM0601903","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARM0601903.jpg?v=1728045982"},{"product_id":"hars413330085","title":"Harken Winch Spare for Radial Size 46 - Bushing (12 x 14 x 11)","description":"\u003cp\u003eHarken Spare: Bushing 12 X 14 X 11 46 Radial Base\u003c\/p\u003e\u003cp\u003e Our Part # HARS413330085 | Harken Part # S413330085\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347421110578,"sku":"HARS413330085","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARS413330085.jpg?v=1728030511"},{"product_id":"harm0601803","title":"Harken Winch Spare for Radial Size 35 to 70 - Screw UNI EN ISO 1207:1996 M6x35 A4","description":"\u003cp\u003eHarken Spare: Screw UNI EN ISO 1207:1996 - M6x35 - A4\u003c\/p\u003e\u003cp\u003e Our Part # HARM0601803 | Harken Part # M0601803\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347421176114,"sku":"HARM0601803","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARM0601803.jpg?v=1728055963"},{"product_id":"hars415130085","title":"Harken Winch Spare for Radial Size 20 to 35 - Washer Socket","description":"\u003cp\u003eHarken Spare: Washer W50 Socket Radial 20\/35 \u0026amp; Performa 40\/60\u003c\/p\u003e\u003cp\u003e Our Part # HARS415130085 | Harken Part # S415130085\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347421208882,"sku":"HARS415130085","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARS415130085.jpg?v=1728045215"},{"product_id":"harm0606303","title":"Harken Winch Spare for Radial Size 46 to 70 - Screw (M8x25 UNI 5931)","description":"\u003cp\u003e\u003cb\u003eHarken Winch Spare Parts\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eYou should service your winches at least once during the preseason. However, twice a season is best if your boat lives in salt water. If you race your boat hard, you may want to maintain your winches before every regatta. Keep your winches clean and operating smoothly by flushing frequently with fresh water. Check pawls and springs, bearings, gears, and spindles for signs of wear and corrosion.\u003c\/p\u003e \u003cp\u003e Our Part # HARM0606303 | Harken Part # M0606303\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347421405490,"sku":"HARM0606303","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARM0606303.jpg?v=1728027941"},{"product_id":"harm0614303","title":"Harken Winch Spare for Radial \u0026 Performa Size 15 to 80 - Screw (M8x20 UNI 6109)","description":"\u003cp\u003eHarken Spare: Screw M8x20 UNI 6109\u003c\/p\u003e\u003cp\u003e Our Part # HARM0614303 | Harken Part # M0614303\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347424780594,"sku":"HARM0614303","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARM0614303.jpg?v=1728039041"},{"product_id":"hars414890080","title":"Harken Winch Spare for Radial Size 35 to 40 - Bushing Housing (9 x 11 x 7)","description":"\u003cp\u003eUpgrade your Harken Radial Winch with the Harken Bushing Housing (9 x 11 x 7) for size 35 \u0026amp; 40, available at MAURIPRO. This precision-engineered bushing housing ensures optimal performance and durability, maintaining proper alignment and reducing friction for smooth winch operation. Made from premium materials to withstand harsh marine environments, it's designed for easy installation, making it a reliable and efficient upgrade for your sailing equipment. \u003c\/p\u003e \u003cp\u003e Our Part # HARS414890080 | Harken Part # S414890080\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347430744370,"sku":"HARS414890080","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARS414890080.jpg?v=1728062880"},{"product_id":"hars413120002","title":"Harken Winch Spare for Radial Size 35 to 70 - Washer (22.5 x 45 x 1)","description":"\u003cp\u003eHarken Spare: Washer 22.5 X 45 X 1 - 35 \/ 40 \/ 46 \/ 50 \/ 70 Radial Winch\u003c\/p\u003e\u003cp\u003e Our Part # HARS413120002 | Harken Part # S413120002\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347434479922,"sku":"HARS413120002","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARS413120002.jpg?v=1728059949"},{"product_id":"hars4152300a7","title":"Harken Winch Spare for Radial Size 35 to 40 - Bushing Igus (22 x 25 x 9.5 mm)","description":"\u003cp\u003eHarken Spare: Bushing Igus 40 Radial 22 X 25 X 9.5 mm\u003c\/p\u003e\u003cp\u003e Our Part # HARS4152300A7 | Harken Part # S4152300A7\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347445457202,"sku":"HARS4152300A7","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARS4152300A7.jpg?v=1728061776"},{"product_id":"hars281340080","title":"Harken Winch Spare for Radial Size 50 - Spacer roller bearings","description":"\u003cp\u003e\u003cb\u003eHarken Winch Spare Parts\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eYou should service your winches at least once during the preseason. However, twice a season is best if your boat lives in salt water. If you race your boat hard, you may want to maintain your winches before every regatta. Keep your winches clean and operating smoothly by flushing frequently with fresh water. Check pawls and springs, bearings, gears, and spindles for signs of wear and corrosion.\u003c\/p\u003e \u003cp\u003e Our Part # HARS281340080 | Harken Part # S281340080\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347448275250,"sku":"HARS281340080","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARS281340080.jpg?v=1728048561"},{"product_id":"hars414280080","title":"Harken Winch Spare for Radial Size 46 to 50 - Peeler","description":"\u003cp\u003eThe Peeler W46-50 Radial #S414280080 is your go-to replacement for maintaining peak performance in your Harken winch system. It's designed to fit perfectly with size 46 to 50 radial winches, ensuring a seamless and hassle-free experience on the water. This spare part is crafted to meet the high standards of sailors who demand reliability and efficiency.\u003c\/p\u003e \u003cp\u003eConstructed from high-quality materials, this spare is engineered for those who take their sailing seriously. It is specifically compatible with Harken's radial winches in the size 46 to 50 range, making it a versatile addition to your sailing gear. This product adheres to the strict specifications needed for optimal sailing performance, offering a reliable solution when maintenance or replacement is necessary.\u003c\/p\u003e \u003cp\u003eOur Part #HARS414280080 | Mfr. 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