Mercury Racing turns up the volume on outboard performance with its new 450R model, a 4.6-liter V-8 with a ­supercharger system. This high-performance outboard supersedes, but will not ­replace, the ...
Move the throttle lever, and ­Mercury Racing’s 500R outboard crushes you into the seat or bolster. There’s torque to spare all the way to its max-rated 6,600 rpm. It proved a blast testing aboard ...
The new 450R from Mercury Racing features a 4.6-liter V8 powerhead, which is boosted by an exclusive Mercury Racing supercharger to produce 450 peak propshaft horsepower and 40 percent higher torque ...