The Mercury Racing High-Performance OEM Sportmaster Gearcase Flusher, designed specifically for the Mercury 500R and R-Series 500 outboard engines with the R-Drive gearcase, is a Made in the USA premium engine flusher that ensures maximum cooling efficiency and superior flushing performance.
 
The Mercury 500R’s R-Drive gearcase features a standard skeg length with a highly efficient parabolic cross-section shape, engineered to optimize hydrodynamics and balance steering force with left- or right-hand camber for standard and counter-rotation props.
 
This patented flusher design is engineered specifically for the low water pickup gearcase found exclusively on the Mercury 500R outboard engine. Featuring the largest possible water intake, it delivers maximum water capacity for optimal cooling and flushing, making it the best way to completely flush your Mercury outboard motor.
 
By effectively removing salt, sand, and debris buildup from the cooling passages, this flusher helps prevent overheating, impeller damage, and corrosion, extending the life of your gearcase and engine components.
 
Constructed from durable, flexible polyurethane, this flusher is resistant to rotting, cracking, and scratching, ensuring long-lasting performance while protecting your gearcase. The attached elastic cord secures the flusher easily, allowing for one-person operation.
 
Designed for quick and hassle-free use, it connects to a standard garden hose in seconds, making routine outboard maintenance easier and more efficient.
 
Flushing your Mercury Sport Master and R-Drive gearcases, including the 500R and R-Series 500 outboard engines, after each use in saltwater or freshwater is essential for maintaining cooling system efficiency and preventing corrosion. The high-volume water intake of this flusher ensures optimal cooling, keeping your engine running at peak performance.
 
Always keep your engine at idle speed while using a flush attachment to prevent impeller damage, and never overrev the engine during flushing.
 
This product includes one (1) Mercury Racing 500R and R-Series 500 Sport Master Gearcase Flusher. Ensure maximum cooling efficiency and extended engine life by making this high-performance gearcase flusher a part of your regular maintenance routine.
 
For more information contact Mike Hill at 714-697-1716 or via email at mike@buckshotracing77.com.