The Mercury Racing Apex Series competition outboards represent cutting-edge engineering designed for peak closed-course racing performance. These models are crafted to deliver high torque, exceptional speed, and reliable durability. Here's a closer look at the specifications (Specs) and features for each model in the lineup:
360 APX Specs
The Mercury Racing 360 APX is a powerhouse designed specifically to drive Formula One tunnel boats in the UIM F1H2O World Championship. This competition outboard features a 4.6-liter V8 powerhead with 32-valve Dual Overhead Cam (DOHC) architecture.
With an output of 360 horsepower (268 kW) and a maximum wide-open throttle (WOT) RPM of 7000, the 360 APX delivers unparalleled torque and acceleration for top-tier racing performance.
It is engineered for use with 89-octane unleaded fuel and features the IV SSM gearcase with a 1.13 gear ratio. The dry weight of the engine is 430 lbs (195 kg), making it a durable yet lightweight solution for high-speed competition.
250 APX Specs
The 250 APX model brings formidable power and precision to APBA Formula 1 powerboat racing. Sharing many features with the 360 APX, the 250 APX also boasts a 4.6-liter V8 engine with 32-valve DOHC design, but it is tuned to produce 250-260 horsepower (184 kW).
The maximum WOT RPM reaches 6800, ensuring responsive acceleration and excellent midrange power delivery. This outboard is also optimized for unleaded 89-octane fuel and includes an evolved version of the IV SSM gearcase with a 1.13 gear ratio.
Weighing in at 436 lbs (198 kg) dry, the 250 APX offers a powerful yet manageable engine solution for competitive racing applications.
200 APX Specs
For UIM F2 and APBA OPC tunnel boat racing, the Mercury Racing 200 APX provides a potent combination of power and efficiency. This model is equipped with a 3.4-liter V6 powerhead, featuring a 24-valve Dual Overhead Cam (DOHC) design.
Delivering 200-240 horsepower (149 kW) and capable of reaching a maximum WOT RPM of 6800, the 200 APX delivers race-winning torque and durability while significantly reducing emissions.
The engine uses unleaded 89-octane fuel and incorporates the IV SSM gearcase with a 1.13 gear ratio. Weighing 395 lbs (179 kg) dry, the 200 APX strikes an ideal balance between power and lightweight design.
60 APX Specs
The Mercury Racing 60 APX is designed to introduce up-and-coming racers to the competitive scene in UIM Formula 4 class racing. This compact yet powerful outboard features a 1.0-liter Inline-4 engine with a Single Overhead Cam (SOHC) and eight valves.
Delivering 60 horsepower (45 kW) and a maximum WOT RPM range of 6000-6400, the 60 APX is built for consistent performance and low-maintenance reliability.
Optimized for unleaded regular 87-octane fuel, it features a 3.4" gearcase and weighs just 247 lbs (112 kg) dry, offering a lightweight and dynamic option for emerging racers.
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