{"product_id":"yamaha-yamalube-20w-50-4-stroke-engine-oil-1-gallon-jaso-ma-wet-clutch-safe","title":"YAMAHA Yamalube 20W-50 4-Stroke Engine Oil - 1 Gallon, JASO MA Wet-Clutch Safe","description":"\u003cp\u003e\u003cstrong\u003eYamaha Yamalube All Purpose Performance 4-Stroke 20W-50 is a mineral-based engine oil formulated to protect 4-stroke motorcycle, ATV, UTV and scooter engines while maintaining reliable wet-clutch performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis one-gallon jug of YAMAHA Yamalube LUB-20W50-AP-04 blends high-quality mineral base stocks with ultra-clean additive chemistry to reduce friction, control wear and help preserve engine life under normal riding conditions. Designed by Yamaha for Yamaha machines but suitable across many brands, the oil meets or exceeds JASO MA standards to ensure proper operation of wet clutches common to motorcycles and many off-road vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil support wet-clutch performance?\u003c\/h3\u003e\n\u003cp\u003eThe Yamalube All Purpose 20W-50 is formulated to meet JASO MA specifications, which target friction properties appropriate for wet-clutch systems. That means clutch plates engage smoothly without slipping or grabbing when oil is present in the gearbox and primary drive.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eJASO MA rated for correct frictional behavior\u003c\/li\u003e\n  \u003cli\u003eBalanced additive package to avoid clutch chatter\u003c\/li\u003e\n  \u003cli\u003eStable film strength under normal operating temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat engines and vehicles is this oil suitable for?\u003c\/h3\u003e\n\u003cp\u003eThis oil is specified for 4-stroke motorcycle engines but is also well-suited for ATVs, side-by-sides (UTVs) and scooters that call for a 20W-50 viscosity and JASO MA compatibility. It performs best in naturally aspirated and lightly stressed engines used in daily riding, commuting and recreational off-road use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMotorcycles with wet clutches and gearbox-in-sump designs\u003c\/li\u003e\n  \u003cli\u003eATVs and UTVs requiring 20W-50 viscosity\u003c\/li\u003e\n  \u003cli\u003eScooters and small displacement 4-stroke engines using mineral blend oils\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protection and performance can I expect?\u003c\/h3\u003e\n\u003cp\u003eThe performance-blended mineral base and cleaner additives deliver good anti-wear and antifriction properties for everyday use. You can expect reliable cold-start protection within the viscosity range and consistent lubrication that helps reduce engine wear from daily riding demands.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAnti-wear additives to protect bearings and cam surfaces\u003c\/li\u003e\n  \u003cli\u003eFriction modifiers tuned for smooth shifting and clutch feel\u003c\/li\u003e\n  \u003cli\u003eViscosity stability to maintain oil film across common temperature ranges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change this oil and what quantity do I get?\u003c\/h3\u003e\n\u003cp\u003eThis product ships as a one-gallon container (128 fl oz), providing multiple fill-ups for most motorcycles or several changes for ATVs depending on capacity. Follow your vehicle manufacturer’s service intervals for drain and fill frequency—typical motorcycle intervals range based on use and riding conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes one (1) gallon \/ 128 fl oz per unit\u003c\/li\u003e\n  \u003cli\u003eQuantity covers multiple small-capacity fill-ups or several larger ones\u003c\/li\u003e\n  \u003cli\u003eAdhere to Yamaha or vehicle-specific service schedule for change intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders and owners who want a Yamaha-specified, mineral-blend 20W-50 oil built for everyday street and light off-road use. It’s ideal for those maintaining older or higher-mileage 4-stroke bikes, ATVs and UTVs that benefit from a durable, JASO MA-rated oil designed to preserve wet-clutch performance without the premium cost of some full-synthetic alternatives. Use this if your machine’s handbook lists 20W-50 viscosity and JASO MA compatibility, or when you prefer a Yamaha-approved product for routine service.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this oil compatible with wet-clutch motorcycles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It meets JASO MA standards, ensuring the friction characteristics suitable for wet-clutch systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much oil do I get and is it Yamaha-approved?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This product is one gallon (128 fl oz) and is made by Yamaha specifically for Yamaha applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YAMAHA","offers":[{"title":"Default Title","offer_id":48082971426974,"sku":"B008QSJ5TK","price":54.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/yamaha-yamalube-front-gallon-packaging.jpg?v=1785821061","url":"https:\/\/northtrailauto.ca\/products\/yamaha-yamalube-20w-50-4-stroke-engine-oil-1-gallon-jaso-ma-wet-clutch-safe","provider":"North Trail Auto","version":"1.0","type":"link"}