{"product_id":"honda-pro-gn4-10w40-motor-oil-1-gal-oem-motorcycle-formula","title":"Honda Pro GN4 10W40 Motor Oil 1 gal - OEM Motorcycle Formula","description":"\u003cp\u003eIn this review the Honda Pro GN4 10W40 Motor Oil is assessed for riders and small-engine owners who need a single reliable oil formulated for motorcycles and ATVs. The bottom line: this genuine OEM Honda oil is best for people running wet clutch motorcycle engines who want proven formulation and long term cleanliness and shear resistance developed since GN4 first launched in 1975. It stands out because Honda engineered the additive package and base stocks specifically for motorcycle and ATV requirements rather than adapting an automotive oil.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine OEM formulation:\u003c\/strong\u003e Developed by Honda to meet the specific demands of their motorcycle and ATV engines and reduce compatibility issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10W40 viscosity:\u003c\/strong\u003e Provides a balanced cold start flow and high temperature protection suitable for a wide range of street motorcycles and small engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 gallon size:\u003c\/strong\u003e Offers a convenient volume for multiple changes or full service fills without frequent repurchasing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShear resistance and viscosity stability:\u003c\/strong\u003e Improved modern GN4 chemistry helps maintain film strength under the stress of gear-driven and high load conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleanliness focus:\u003c\/strong\u003e The additive package aims to keep internal components cleaner, which supports smoother shifting and longer engine life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eRiders with wet clutch motorcycles, riders using Barnett kevlar style clutch packs, and owners of Honda motorcycles or similarly specified ATVs will get the most benefit from this oil. Its OEM pedigree and GN4 history make it a natural choice for routine maintenance and for those wanting an oil Honda specifically designed.\u003c\/p\u003e\n\u003cp\u003eThose who need a multi-grade oil for heavy duty racing, extreme high-mileage engines with unusual clearance requirements, or who prefer synthetic-only marketing may want to consider alternative formulations. This product is positioned as a tried-and-true motorcycle oil with targeted benefits rather than a universal high performance synthetic for all racing scenarios.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProven Honda GN4 formula delivers reliable wet clutch compatibility and smooth shifting.\u003c\/li\u003e\n\u003cli\u003eGood value in a 1 gallon container for riders who perform regular oil changes.\u003c\/li\u003e\n\u003cli\u003eImproved shear resistance and cleanliness help preserve engine longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot promoted as a full synthetic racing oil, so riders seeking maximum synthetic performance may choose other options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eHONDA Pro GN4 Motor Oil 10W40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViscosity\u003c\/td\u003e\n\u003ctd\u003e10W40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e1 gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eMotorcycles and ATVs with wet clutches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003eGN4 formulation introduced in 1975; modern improvements applied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Honda Pro GN4 10W40 1 gal is a sensible pick for riders who want an OEM motorcycle oil that prioritizes wet clutch compatibility, cleanliness, and stable viscosity. It represents good value in gallon quantities and is especially appropriate for Honda owners and others seeking a historically proven GN4 formulation without stepping up to specialty racing synthetics.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this oil suitable for wet clutch motorcycles?\u003c\/strong\u003e\u003cbr\u003eYes. The GN4 formulation was created for motorcycle and ATV use and is noted for wet clutch compatibility and smooth shifting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much oil is in the container?\u003c\/strong\u003e\u003cbr\u003eThe product is supplied in a 1 gallon volume suitable for multiple changes or a full service fill on many bikes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a full synthetic oil?\u003c\/strong\u003e\u003cbr\u003eThe description emphasizes high quality base stocks and an additive package for GN4 performance rather than marketing it as a full synthetic racing oil.\u003c\/p\u003e","brand":"Honda","offers":[{"title":"Default Title","offer_id":48241401790683,"sku":"B01J8DMQ92","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71xSCGdbAFL._AC_SL1500.jpg?v=1770972043","url":"https:\/\/gearmusthave.com\/products\/honda-pro-gn4-10w40-motor-oil-1-gal-oem-motorcycle-formula","provider":"GearMustHave","version":"1.0","type":"link"}