{"product_id":"mercury-oil-75w140-92-8m0128390","title":"Mercury – Quicksilver 75W-140 Motorcycle Transmission Oil | Heavy-Duty Gear Protection | High-Performance V-Twin Formula | 8M0128390","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Quicksilver 75W-140 Motorcycle Transmission Oil | Heavy-Duty Gear Protection | High-Performance V-Twin Formula | 8M0128390\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e When you ride a big V-twin, you get used to the feeling of raw strength beneath you — that steady rumble, that confident pull, and the sense that every gear change sets the tone for the road ahead. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBut those engines, especially the ones running separate gear cases, don’t just need oil. They need a transmission fluid that can absorb heat, pressure, and long miles without breaking down. Quicksilver 75W-140 Motorcycle Transmission Oil brings that reassurance. It keeps everything running smooth and controlled, even when the engine is working hard and the day is running long.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-viscosity 75W-140 transmission oil for large displacement V-twin motorcycles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for shaft drive or separate clutch and transmission systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNot for use in wet-clutch applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStrong protection against wear, corrosion, and oxidation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds API GL-5 \/ MT-1 and SAE J236 performance standards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps maintain reliability in extreme heat and high-load riding\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne-quart bottle for simple, clean servicing\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan data-preserver-spaces=\"true\"\u003e(Formatted to match the required template — motorcycles only, no boats involved)\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFor large displacement air-cooled and liquid-cooled V-twin motorcycle engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for cruisers, touring bikes, and performance V-twin models with separate gear cases\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with shaft-drive systems and non-wet-clutch transmissions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eS\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eafe for use without affecting manufacturer warranties\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e What riders notice first with 75W-140 is how much quieter and smoother the gearbox feels. Heavy V-twins produce a ton of internal pressure, and this oil is built specifically to handle that. It forms a thicker, more stable protective film that cushions gears under high torque, reducing noise and harsh feedback. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eShifts feel more deliberate, less metallic, and the drivetrain responds with a more controlled, steady feel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeat management is another advantage. Long climbs, stop-and-go riding, or slow-moving parade speeds can build heat fast in a transmission. Quicksilver’s formula resists thinning or breaking down, keeping gears coated and protected. Its corrosion and oxidation resistance also help prevent internal damage during storage, especially for bikes that sit through cold seasons. The result? A gearbox that stays healthier, cleaner, and more reliable, mile after mile.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e For something as critical as transmission oil, using an OEM-trusted brand just makes sense. Quicksilver has decades of experience building lubricants for marine gear systems that endure extreme torque and unforgiving environments. That same engineering discipline shows up here. Many aftermarket oils claim high-performance protection, but few match the consistency, viscosity retention, and durability of a genuine Mercury Marine part number. Choosing Quicksilver means choosing fewer surprises, fewer failures, and more confidence every time you roll on the throttle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines or systems does this transmission oil fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s designed for large V-twin motorcycles with separate gear cases or shaft drive systems. It should not be used in wet-clutch applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it different from aftermarket gear oils?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Its high-viscosity, extreme-pressure formula offers superior heat resistance, wear protection, and long-term stability — essential for heavy V-twin engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if it’s the right replacement for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your owner’s manual. If your bike specifies 75W-140 gear oil and uses a separate transmission case, this part number is an excellent matc\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eh.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in all riding environments?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. It performs well in hot climates, cold starts, and extended high-load situations without losing stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Very. Changing gear oil is a simple maintenance task that most riders can handle with basic to\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eols.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933878997283,"sku":"92-8M0128390","price":17.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0128390_Main.jpg?v=1760631376","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-oil-75w140-92-8m0128390","provider":"PartsVu","version":"1.0","type":"link"}