{"product_id":"bel-ray-exp-semi-synthetic-ester-blend-4t-engine-oil-semi-syn-ester-oil-15w50-840-1615","title":"Bel-Ray EXP Semi-Synthetic Ester Blend 4T Engine Oil - Semi-SYN Ester OIL 15w50…","description":"\u003cp\u003eBel-Ray EXP is a synthetic ester blend 4T engine oil formulated for air-cooled and liquid-cooled motorcycle engines, delivering high film strength and oxidation resistance across a wide temperature range. Meets API SN and JASO MA2 standards for wet-clutch motorcycles.\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\u003eStable viscosity across wide temperature range\u003c\/li\u003e\n  \u003cli\u003eImproved oxidation resistance\u003c\/li\u003e\n  \u003cli\u003eProlonged wet clutch life\u003c\/li\u003e\n  \u003cli\u003eAPI SN and JASO MA2 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 99130-B4LW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eViscosity Grade:\u003c\/strong\u003e 15W50\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 690509200249\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 8.16 lbs\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. Bel-Ray EXP is JASO MA2 certified, which means it's formulated to protect wet clutches and won't cause slipping or glazing.\u003c\/p\u003e\n\u003ch3\u003eWhat viscosity is this oil?\u003c\/h3\u003e\n\u003cp\u003e15W50 — a 15-weight at cold startup, 50-weight at operating temperature. Suitable for most air-cooled and liquid-cooled 4T engines.\u003c\/p\u003e\n\u003ch3\u003eDoes this meet Harley or Indian requirements?\u003c\/h3\u003e\n\u003cp\u003eBel-Ray EXP meets API SN and JASO MA2 specs, which cover most modern motorcycle engines. Check your owner's manual for specific grade recommendations.\u003c\/p\u003e\n\u003ch3\u003eCan I use this in my vintage motorcycle?\u003c\/h3\u003e\n\u003cp\u003eCheck your owner's manual for the recommended viscosity and API rating. Older air-cooled engines may prefer straight-grade oils; modern bikes typically run multi-grades like this 15W50.\u003c\/p\u003e","brand":"Bel-Ray","offers":[{"title":"Default Title","offer_id":53035525636207,"sku":"840-1615","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_4da5487d-f2a8-411b-a28d-12dde630ee46.png?v=1779562767","url":"https:\/\/vtwinbikers.com\/products\/bel-ray-exp-semi-synthetic-ester-blend-4t-engine-oil-semi-syn-ester-oil-15w50-840-1615","provider":"Vtwinbikers","version":"1.0","type":"link"}