V-twin

The machine is powered by a 649cc, V-twin liquid-cooled engine.

Quad 2009 ATV Buyers Guide 2009

The machine houses a potent powerplant — a 799cc liquid-cooled, SOHC, eight-valve (four per cylinder) V-twin engine.

Quad 2009 ATV Buyers Guide 2009

The Brute Force 750 4X4i is powered by an arm-ripping 90-degree 749cc four-stroke, fuel-injected V-twin engine.

Quad 2009 ATV Buyers Guide 2009

It has the same stellar 90-degree V-twin engine design as the 750.

Quad 2009 ATV Buyers Guide 2009

For those of you wanting a V-twin 650 monster with out the extra cost of independent rear suspension, Kawasaki offers the Brute Force 650 4×4.

Quad 2009 ATV Buyers Guide 2009

With features like digital fuel injection, independent suspension, and a 750 V-twin engine, it more than deserves its place at the top.

Quad 2009 ATV Buyers Guide 2009

V-twin -- the radiator is neatly tucked in between the front frame rails, check out the patent images for details.

Honda Fury factory chopper leaks ahead of official New York unveiling - Hell For Leather 2009

At its heart is an 800cc V-twin Rotax engine, which is the most powerful engine in its class (for 2009, the Renegade R gets a nine-percent bump in horsepower thanks to some internal engine mods).

Quad 2009 ATV Buyers Guide 2009

Offering an increase in displacement, the 500-class 4×4 is powered by a liquid-cooled, eight-valve, 499cc V-twin (not a single like the 400 4×4).

Quad 2009 ATV Buyers Guide 2009

The announcement of Arctic Cat releasing a 951cc V-twin beast was enough to get the entire industry talking.

Quad 2009 ATV Buyers Guide 2009