{"product_id":"moroso-air-oil-separator-twin-cam-w-v-and-h-vo2-air-cleaner-black-82-9503","title":"Moroso Air\/Oil Separator - Twin CAM W\/V\u0026h Vo2 AIR Cleaner Black — Harley-Davidson (1999-2017)","description":"\u003cp\u003eMoroso air-oil separator for Twin Cam engines running Vance \u0026amp; Hines VO2 air cleaners, designed to filter crankcase vapors, oil mist, and condensation before they re-enter the intake system. Keeps your air filter, throttle body, intake, pistons, and valves clean by preventing oil and carbon buildup.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFilters crankcase vapors, exhaust vapors, residual oil and moisture\u003c\/li\u003e\n  \u003cli\u003eTwo-piece body unscrews for easy cleaning and service\u003c\/li\u003e\n  \u003cli\u003eDoes not vent to atmosphere — contains oil in the canister, off your bike and the ground\u003c\/li\u003e\n  \u003cli\u003eReduces detonation and knock\u003c\/li\u003e\n  \u003cli\u003eMade in the U.S.A.\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 Moroso\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 85717\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 84663857171\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Twin Cam engines equipped with Vance \u0026amp; Hines VO2 air cleaners.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I clean the separator?\u003c\/h3\u003e\n\u003cp\u003eThe two-piece body unscrews easily — no special tools required. Empty the collected vapors and oil, rinse, and reassemble.\u003c\/p\u003e\n\u003ch3\u003eDoes this vent excess oil to the atmosphere?\u003c\/h3\u003e\n\u003cp\u003eNo — unlike other breather kits, the Moroso system contains all vapors and oil inside the canister. Nothing vents outside or onto your bike.\u003c\/p\u003e\n\u003ch3\u003eWill this reduce engine knock?\u003c\/h3\u003e\n\u003cp\u003eYes. By filtering crankcase vapors before they re-enter the intake, you reduce detonation and knock while keeping combustion cleaner.\u003c\/p\u003e\n\u003ch3\u003eIs installation difficult?\u003c\/h3\u003e\n\u003cp\u003eThe separator plumbs inline with your existing breather system. Installation complexity depends on your current setup — consult the instructions or a shop if you're unsure.\u003c\/p\u003e\n\u003ch3\u003eWhat does it actually catch?\u003c\/h3\u003e\n\u003cp\u003eExcess crankcase vapors, unburnt fuel, residual oil, and moisture that normally recirculate into your intake and foul the system.\u003c\/p\u003e","brand":"Moroso","offers":[{"title":"Default Title","offer_id":53035871469679,"sku":"82-9503","price":362.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/c2b4-620548afe3b7d.jpg?v=1777529909","url":"https:\/\/vtwinbikers.com\/products\/moroso-air-oil-separator-twin-cam-w-v-and-h-vo2-air-cleaner-black-82-9503","provider":"Vtwinbikers","version":"1.0","type":"link"}