Yamaha’s Grizzly 550 FI 4×4 EPS – POWER and FEATURES

Yamaha’s Grizzly 550 FI 4×4 EPS – POWER and FEATURES

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We need one machine that can do it all. Enter Yamaha’s Grizzly 550 FI 4×4 EPS. It’s ready to clear snow in the winter, a replacement for a tractor in the spring on food plot duty, and a hunting buddy in the fall. The Yamaha’s Grizzly 550 FI 4×4 EPS both fit into the allotted budget and was capable of meeting our long list of “wants.” It was time to go to work.

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 Off To Work We Go with the YAMAHA GRIZZLY 550

If you want to increase your chances at a big buck in the fall, put in a food plot in the spring. For this task, the Grizzly would have to be our tractor, pulling a disc and packer to work up the soil and create a smooth seed bed. Although the Grizzly 550 FI 4×4 looks nearly identical to its big brother, the Grizzly 700, the engine is all new and was developed to supply all of the amazing features of the Grizzly 700, yet with a milder but still torquey power delivery. Always a stickler for details and fine-tuning, Yamaha made sure the crank balance was optimized for the smaller piston, and an all new cylinder head was developed with a ceramic composite plated cylinder to help maintain the low end power. The Grizzly 550FI also comes with Yamaha Fuel Injection for consistent fuel delivery regardless of elevation, temperature or task at hand.

To maximize efficiency in getting the 550’s power to the ground, the Grizzly utilizes Yamaha’s Ultramatic CVT transmission, which is a “put-it-in-gear-and-go” system. A one-way sprag clutch gives the Grizzly its natural-feeling engine braking system, and the centrifugal clutch allows for smooth shifting throughout the entire gear range. Pulling any sod-busting implement and plowing snow means engaging 4wd, and a sliding, thumb switch gets the front wheels clawing at the ground. Transition between two- and four-wheel drive is quiet, effortless and almost instantaneous. Switching into diff lock is just as simple, but designed in such a way that it can only be engaged when the Grizzly is in four-wheel drive. Also, thanks to the EPS, steering with diff lock engaged is not nearly as difficult as it is in models without power steering. Although switching into 4wd can be done on the fly, never engage 4wd when the wheels are already spinning wildly, or when you’re pulling a heavy load like we were. We also changed out the stock Yamaha tires for a more aggressive set of Dunlop tires and ITP wheels which grabbed better traction when turning over soil or plowing snow.

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 Trail Time with the GRIZZLY 550

Being able to switch immediately to four-wheel drive was very handy when we found the terrain changing with every turn of the trail, or for those steep, muddy, or very rocky sections. With 11.8 inches of ground clearance, the Grizzly 550 also clears nearly every obstacle on the trails, including ones you expect to hit but somehow pass over without the usual metal / plastic on rock grinding sound. We also like how the Electronic Power Steering works almost like a steering dampener and takes the impact from trail side rocks, eliminating kickback of the bars into your hands. Also, storage is extremely important on any utility ATV, and the Grizzly 550FI comes complete with two, water-tight storage areas. One is located in the right, front fender while the other compartment is hidden just under the ample seat. Along with its storage compartments, the durable steel racks can carry 99 pounds of gear on the front, and 187pounds at the rear. In addition, there are many aftermarket accessories available to get the job done.

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 Long Term Impression

Three items stand out in our minds on our “Jack of all Trades” Grizzly. First, is the gate-style, gear selection slot. While the shifting action is pretty much identical to that of the past, the gear selection knob now follows the gated slot. This makes it super simple to use, so easy in fact, a 3 year old could do it. (Please don’t let one try!) The next item is the fuel injection. The engine fires right up and runs smoothly with good throttle response and a light throttle pull. I’ll gladly state that I hope to not deal with a carburetor again for a very long time. The last item that stands out in our minds is the power-steering.

While we feel that there may be a few other versions of power steering on the market that work differently, this is an option that we don’t want to be without on a 4×4 when doing any work, or when carrying a load on the front end. With two fingers, you can turn the handlebars and it makes life great, even if you have a heavy snow plow weighing it down.

On the trails, Yamaha’s Grizzly 550 is an animal; on the job, it’s a work-horse! Handling is precise and sharp while the overall protection package allows you to go almost anywhere without fear that you’ll damage your machine. Power for work is also sufficient to get the job done, almost regardless of what you throw at it. The crew at Yamaha also thought proactively when it came time for maintenance chores, rather than some OEM’s where it was an afterthought. Air-filter accessibility was simple, as was oil check and change points. Making it easy to do these tasks, which are critical for the long-term health of any ATV, means people are more inclined to do them. When it came time to remove body panels for cleaning and maintenance, it was relatively simple and quick.

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We’ve taken the Grizzly trail riding, working in the fields, working around the yard, and almost everywhere in between. When it came right down to it, Yamaha’s Grizzly 550 FI 4×4 EPS did everything and anything that we asked of it with never so much as a stutter or hint of inability to do the task at hand. With the combination of long-term durability, ease of maintenance, strength, and the “fun-factor,” the Grizzly 550 has easily become our “Jack of all Trades.” It has the power to get the job done, and the ability to play all weekend.

https://www.yamahamotorsports.com

https://atvillustrated.com/atv-of-the-year-yamaha-kodiak-450

April 23, 2010

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