Use the Blue Dog Marine Dual Feed Motor Flush delivers water from both cups to provide maximum water flow to flush out your outboard or I/O cooling system or test run your engine with any garden hose. The Dual Motor Flusher works on most outboards and I/Os with vertical water intakes located on the lower unit.
| Optimize the amount of clean fresh water flowing through your engine to flush out and remove harmful salt, sand, silt and mud | Use to test run your engine before launching | Tune and make minor adjustments to your engine | Works with your home garden hose |