Precision-cast from copper-beryllium-titanium, the included GrimRacer metal prop won’t flex or shear — and needs no balancing or sharpening to deliver strong performance.
 

The CNC-machined, lightweight aluminum turn fins installed on the port and starboard sides provide the best straightaway and left/right handling.

Make precise adjustments to enhance your Rio 51’s handling in any water conditions using the GrimRacer stainless steel
trim plates.

Cooled by a water jacket, the engine’s custom-tuned 2-stroke “quiet” pipe reduces noise levels to approximately 80db — making this the most welcome boat of its kind at any lake or pond.

AquaCraft also includes a stainless steel exhaust header for extended life, and a vibration-isolating gas engine mount that reduces structural stress — another example of how the Rio 51 is built for performance and long-lasting durability.

The Rio 51’s black anodized, CNC-machined aluminum surface drive system is designed for low maintenance and efficient power delivery.

An oil tank automatically lubricates the 1/4” flex cable drive system. Just unscrew the cap and add oil.

Designed for fast, easy fueling, the Rio 51’s fuel tank allows uninterrupted run times of up to 30 minutes when full. The model uses a mix of regular unleaded gasoline and 2-cycle oil — a convenient and economical way to enjoy marine action.

This water exit provides visual confirmation that the cooling system is working properly.

A water-cooled engine and exhaust header help keep running temperatures low for long engine life and greater efficiency.

This water pickup tube sends cooling water to the engine and exhaust header.

AquaCraft engineers spend extra time to ensure that components are laid out for easy accessibility and top-notch performance.