Grizzly 600 4X4
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The biggest, most important feature of the Grizzly is the Ultramatic V-belt transmission. The Grizzly has the world's first automatic transmission in an ATV that utilizes a centrifugal clutch and a sprag (one-way) clutch behind the primary pulley.
This design provides superior engine braking when compared to conventional fully-automatic transmissions.
How well does it work? As the independent testers at Dirt Wheels magazine said:
"One area we particularly liked was the way you could edge right up to a steep downhill and drive over the side without the engine free-wheeling down the hill.
Since the engine compression braking is so strong, you hardly need to use the excellent brakes the machine comes with."