{"product_id":"bel-ray-exp-semi-synthetic-ester-blend-4t-engine-oil-semi-syn-ester-oil-10w40-840-1612","title":"Bel-Ray EXP Semi-Synthetic Ester Blend 4T Engine Oil - Semi-SYN Ester OIL 10w40…","description":"\u003cp\u003eBel-Ray EXP Semi-Synthetic Ester Blend 10W-40 4T engine oil formulated for motorcycle wet-clutch engines with synthetic ester base stocks blended with select synthetics and petroleum components. Delivers high film strength and oxidation resistance across a wide temperature range.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSynthetic ester blend with select synthetic and petroleum components\u003c\/li\u003e\n  \u003cli\u003eHigh film strength for improved component protection\u003c\/li\u003e\n  \u003cli\u003eHigh viscosity index maintains stable film across temperature extremes\u003c\/li\u003e\n  \u003cli\u003eEnhanced oxidation resistance for longer oil life\u003c\/li\u003e\n  \u003cli\u003eProlonged wet-clutch life with JASO MA2 registration\u003c\/li\u003e\n  \u003cli\u003eAPI SN certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Bel-Ray\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 99120-B1LW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 690509200218\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e 10W-40\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Semi-Synthetic Ester Blend\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.1 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8 in L × 4 in W × 2 in H\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs this oil safe for wet-clutch motorcycles?\u003c\/h3\u003e\n\u003cp\u003eYes. JASO MA2 certification confirms this oil is formulated to protect wet clutches without friction-modifier slip.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between this and full synthetic oil?\u003c\/h3\u003e\n\u003cp\u003eEXP Synthetic Ester Blend combines ester synthetics with petroleum base stocks for a balance of protection and cost compared to full synthetics.\u003c\/p\u003e\n\u003ch3\u003eWhat bikes does this work in?\u003c\/h3\u003e\n\u003cp\u003eAny 4-stroke motorcycle wet-clutch engine. Check your owner's manual for the recommended viscosity — this is 10W-40.\u003c\/p\u003e\n\u003ch3\u003eDoes this oil need changing more or less often than conventional oil?\u003c\/h3\u003e\n\u003cp\u003eSemi-synthetic ester blends typically extend drain intervals compared to straight petroleum oil — follow your bike's service schedule.\u003c\/p\u003e","brand":"Bel-Ray","offers":[{"title":"Default Title","offer_id":53035525505135,"sku":"840-1612","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/ab52-5db0c0f3a4dd2.jpg?v=1777528762","url":"https:\/\/vtwinbikers.com\/products\/bel-ray-exp-semi-synthetic-ester-blend-4t-engine-oil-semi-syn-ester-oil-10w40-840-1612","provider":"Vtwinbikers","version":"1.0","type":"link"}