{"product_id":"riva-yamaha-1-8-1-9l-valve-retainer-upgrade-kit","title":"RIVA Yamaha 1.8\/1.9L Valve Retainer Upgrade Kit","description":"\u003ch2 data-start=\"188\" data-end=\"231\"\u003eRIVA Racing Valve Retainer Upgrade Kit\u003c\/h2\u003e\n\u003cp data-start=\"232\" data-end=\"285\"\u003e\u003cstrong data-start=\"232\" data-end=\"262\"\u003eYamaha 1.8L \/ 1.9L Engines\u003c\/strong\u003e\u003cbr data-start=\"262\" data-end=\"265\"\u003e\u003cstrong data-start=\"265\" data-end=\"273\"\u003eSKU:\u003c\/strong\u003e RY19040-SRU\u003c\/p\u003e\n\u003cp data-start=\"232\" data-end=\"285\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"232\" data-end=\"285\"\u003e\u003cstrong\u003eOne off price\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eas the customer supplied the kit but we ended up fitting the complete valve kit by Riva so new and unused in original packaging\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"232\" data-end=\"285\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"287\" data-end=\"536\"\u003eWhen Yamaha engines are pushed hard, valve control matters. This RIVA Racing Valve Retainer Upgrade Kit is designed to improve reliability at higher RPM by reducing the risk of valve float — a known weak point on hard-ridden or race-prepped engines.\u003c\/p\u003e\n\u003cp data-start=\"538\" data-end=\"772\"\u003eThe kit includes \u003cstrong data-start=\"555\" data-end=\"598\"\u003e16 lightweight titanium valve retainers\u003c\/strong\u003e, precision machined for strength and consistency. Compared to standard retainers, these reduce mass in the valvetrain, helping the valves stay under control when revs climb.\u003c\/p\u003e\n\u003cp data-start=\"774\" data-end=\"933\"\u003eThis upgrade is widely used in \u003cstrong data-start=\"805\" data-end=\"846\"\u003eIJSBA and APBA Stock Class race craft\u003c\/strong\u003e, but it’s just as relevant for fast recreational skis that see sustained high RPM use.\u003c\/p\u003e\n\u003ch3 data-start=\"935\" data-end=\"951\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"952\" data-end=\"1192\"\u003e\n\u003cli data-start=\"952\" data-end=\"1000\"\u003e\n\u003cp data-start=\"954\" data-end=\"1000\"\u003eImproves valve control at high engine speeds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1001\" data-end=\"1038\"\u003e\n\u003cp data-start=\"1003\" data-end=\"1038\"\u003eReduces likelihood of valve float\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1039\" data-end=\"1098\"\u003e\n\u003cp data-start=\"1041\" data-end=\"1098\"\u003e16 precision-machined titanium valve retainers included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1099\" data-end=\"1139\"\u003e\n\u003cp data-start=\"1101\" data-end=\"1139\"\u003eDirect replacement for OEM retainers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1140\" data-end=\"1192\"\u003e\n\u003cp data-start=\"1142\" data-end=\"1192\"\u003eProven RIVA Racing performance and build quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1194\" data-end=\"1209\"\u003eRecommended\u003c\/h3\u003e\n\u003cp data-start=\"1210\" data-end=\"1343\"\u003eFor \u003cstrong data-start=\"1214\" data-end=\"1254\"\u003ehighly modified or big-power engines\u003c\/strong\u003e, RIVA recommend stepping up to the \u003cstrong data-start=\"1290\" data-end=\"1342\"\u003ecomplete Valve Train Upgrade Kit (RY19040-VTU-2)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"1345\" data-end=\"1363\"\u003eSuggested Tool\u003c\/h3\u003e\n\u003cul data-start=\"1364\" data-end=\"1413\"\u003e\n\u003cli data-start=\"1364\" data-end=\"1413\"\u003e\n\u003cp data-start=\"1366\" data-end=\"1413\"\u003e\u003cstrong data-start=\"1366\" data-end=\"1413\"\u003eRIVA Valve Compression Tool – RY19040-VCT-1\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1415\" data-end=\"1418\"\u003e\n\u003ch2 data-start=\"1420\" data-end=\"1430\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-start=\"1431\" data-end=\"1566\"\u003eFits Yamaha \u003cstrong data-start=\"1443\" data-end=\"1460\"\u003e1.8L and 1.9L\u003c\/strong\u003e engines including FX, GP, FZR, FZS, VXR and VXS models from \u003cstrong data-start=\"1521\" data-end=\"1537\"\u003e2008 to 2026\u003c\/strong\u003e (HO, SHO and SVHO variants).\u003c\/p\u003e\n\u003cp data-start=\"1568\" data-end=\"1682\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"RIVA RACING","offers":[{"title":"Default Title","offer_id":56220100362626,"sku":null,"price":459.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/4914\/7096\/files\/f144955810_8i6prs7w7gyhtbmi.webp?v=1768487855","url":"https:\/\/www.southquayleisure.com\/products\/riva-yamaha-1-8-1-9l-valve-retainer-upgrade-kit","provider":"-","version":"1.0","type":"link"}