{"product_id":"liqui-moly-4t-10w-40-street-motorcycle-oil-4-l-fully-synthetic-wet-clutch-compatible","title":"Liqui Moly 4T 10W-40 Street motorcycle oil, 4 L — fully synthetic, wet-clutch compatible","description":"\u003cb\u003eLiqui Moly 4T 10W-40 Street is a fully synthetic high-performance 4-stroke engine oil formulated to deliver engine protection, clean internals, smooth clutch performance and reliable gear shifting for street motorcycles.\u003c\/b\u003e\n\n\u003cp\u003eThis 4-liter container of Liqui Moly 4T 10W-40 Street is engineered for modern air- and water-cooled 4-stroke motorcycle engines. The fully synthetic base and tailored additive package provide stable viscosity across temperature ranges, reduce wear, and help maintain engine cleanliness under both normal commuting and demanding riding conditions. It is compatible with wet-clutch systems and supports consistent friction behavior for predictable clutch engagement and gear changes.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect my motorcycle’s engine under varied conditions?\u003c\/h3\u003e\n\u003cp\u003eThe synthetic formulation resists thermal breakdown and holds a stable oil film at higher temperatures, cutting metal-to-metal contact and minimizing wear. Liqui Moly's additive system also helps prevent deposit formation so moving parts remain cleaner and operate more efficiently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStable viscosity control from cold start to high heat\u003c\/li\u003e\n  \u003cli\u003eFriction-optimized additives reduce clutch slip and wear\u003c\/li\u003e\n  \u003cli\u003eDeposit inhibitors keep combustion chambers and piston rings cleaner\u003c\/li\u003e\n  \u003cli\u003eProtects bearings and cams during extended high-load use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it work with my wet-clutch motorcycle and gearbox?\u003c\/h3\u003e\n\u003cp\u003eYes — this oil is formulated for engines with wet clutches and delivers predictable friction characteristics so the clutch engages smoothly without slippage. It also provides reliable lubrication for gear teeth and synchromesh components, supporting crisp shifting in street riding scenarios.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with wet-clutch systems for consistent engagement\u003c\/li\u003e\n  \u003cli\u003eFriction modifiers tuned to avoid clutch drag or slip\u003c\/li\u003e\n  \u003cli\u003eProtects gearbox components from wear and scoring\u003c\/li\u003e\n  \u003cli\u003eSupports smooth shifts under stop-and-go and spirited riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance benefits and cleaning performance can I expect?\u003c\/h3\u003e\n\u003cp\u003eLiqui Moly 4T 10W-40 uses detergents and dispersants to limit sludge and varnish formation, promoting cleaner oil galleries and longer component life. Cleaner internals contribute to stable performance and can help preserve compression and fuel efficiency over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces sludge and varnish buildup in the engine\u003c\/li\u003e\n  \u003cli\u003eHelps maintain piston ring mobility and sealing\u003c\/li\u003e\n  \u003cli\u003eExtends service intervals when used as recommended\u003c\/li\u003e\n  \u003cli\u003eImproves cold-start lubrication for faster protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I choose this grade for my motorcycle compared to other oils?\u003c\/h3\u003e\n\u003cp\u003e10W-40 is a versatile grade that balances cold-start flow and high-temperature film strength, making it suitable for many street motorcycles operating across seasons. Check your owner’s manual for recommended viscosities and approvals; this product fits most modern 4-stroke bikes requiring a synthetic 10W-40 oil.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10W rating eases cold starting and pumpability\u003c\/li\u003e\n  \u003cli\u003e40 high-temperature rating preserves oil film under load\u003c\/li\u003e\n  \u003cli\u003eIntended for both air- and water-cooled engines\u003c\/li\u003e\n  \u003cli\u003eSuitable where manufacturers call for synthetic 10W-40 oils\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Riders seeking a reliable, fully synthetic 10W-40 engine oil for street motorcycles will find Liqui Moly 4T 10W-40 Street ideal. It suits commuters, sport-touring riders and anyone with a 4-stroke bike that uses a wet or dry clutch and needs a product that prioritizes engine cleanliness, consistent clutch feel, and wear protection across everyday and demanding riding conditions. Always follow your motorcycle manufacturer’s specifications when selecting oil and observe recommended change intervals.\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 Liqui Moly 4T 10W-40 suitable for wet clutches?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is formulated for wet-clutch systems with friction properties that support smooth engagement and prevent slippage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this oil be used in both air- and water-cooled 4-stroke engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The oil is developed for use in air- and water-cooled 4-stroke motorcycle engines under normal to extreme conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Liqui Moly","offers":[{"title":"Default Title","offer_id":48087748673694,"sku":"B07DB1Y4MG","price":81.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/liqui-moly-4t-10w-40-front-label.jpg?v=1785930217","url":"https:\/\/northtrailauto.ca\/products\/liqui-moly-4t-10w-40-street-motorcycle-oil-4-l-fully-synthetic-wet-clutch-compatible","provider":"North Trail Auto","version":"1.0","type":"link"}