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Yamaha Motorsports

2007 Grizzly 400 Automatic 4X4

Grizzly 400 Auto Blue
Grizzly 400 Auto Blue

Grizzly 400 Auto Camo
Grizzly 400 Auto Camo

Grizzly 400 Auto Green
Grizzly 400 Auto Green

Grizzly 400 Auto Red
Grizzly 400 Auto Red

Key Features:

* New, independent rear suspension for excellent terrainability and all-day comfort.
* Grizzly 400 Automatic 4x4 has many of the same great features as big brother Grizzly 450, including four-wheel independent suspension, in a lighter package powered by a fuel-efficient liquid-cooled engine.
* Fully automatic Ultramatic® transmission is the most advanced drive system in ATVing. An automatic centrifugal clutch maintains constant belt tension for reduced belt wear and front/rear-wheel downhill engine braking.
* On-Command® In/Out 4WD feature lets you switch between 2WD and 4WD with the simple push of a button.
* 10.8 inches of ground clearance and high-impact plastic skid plate improve maneuverability and undercarriage protection.
* Fully independent long-travel four-wheel suspension features double-wishbone suspension front and rear with five-way preload-adjustable shocks for maximum control and comfort over rough terrain.


* 401cc liquid-cooled, SOHC four-stroke single is the best-performing engine in its class (Includes four-stroke, 350-401cc 4x4 models.)
* Semi-oval slide 33mm BSR Mikuni carburetor and high-output DC-CDI ignition deliver incredible throttle response and engine performance at all RPM.
* Pushbutton electric starting backed up by auxiliary recoil starter.
* Stainless steel muffler and header design provides superior power characteristics, exhaust sound and durability.
* Left side–mounted F/N/R shift lever keeps throttle hand free while shifting.
* Large-capacity aluminum radiator provides maximum cooling efficiency and is positioned high in frame for optimal protection.
* Compact engine design features a 45-degree cylinder angle for maximum ground clearance and lower seat height for quick, responsive steering and agility.
* Gear-driven crankshaft balancer and rubber-damper engine mounts reduce vibration.
* Fully sealed drive case keeps out water and debris to minimize belt slippage.
* Specially designed drive system air intake vent prevents overheating and keeps water and mud from entering drive case.
* Easy-access, tool-free air filter box.


* Lightweight CAD-designed chassis features outstanding durability with superior rigidity for class-leading agility and handling.
* Light steering and a class-leading turning radius combine for increased comfort and incredible maneuverability—even in 4WD.
* Low seat height creates enhanced handling.
* Fully independent four-wheel suspension features a double-wishbone suspension front and rear delivering 6.3 inches and 7.1 inches of travel, respectively, with five-way preload-adjustable shocks to ensure maximum tire contact—and comfort.
* Large-diameter ventilated hydraulic front disc brakes deliver tremendous stopping power in a variety of conditions.
* Direct front shaft drive eliminates U-joint for greater durability and more efficient power transfer when engaged in 4WD.
* Heavy-duty composite front carry bar and CV joint guards help prevent damage to boot covers and won’t dent or rust.

Additional Features:

* Steel cargo racks with special, extra-durable wrinkle paint finish feature a combined cargo capacity of 264 pounds (88 front, 176 rear).
* Standard, center-mounted trailer hitch can hook up over 1100 pounds of payload.
* Large-capacity, 4-gallon fuel tank has a built-in gauge and easy-to-reach petcock valve.
* Recessed, water-resistant, automotive-type DC power outlet handles wide range of accessories.
* Water-resistant, large-capacity underseat storage box provides added convenience.
* Speedometer with tripmeter adds greater versatility and allows rider to keep track of engine maintenance intervals.
* Plush, specially designed seat widely contoured for incomparable rider comfort.
* Wide, fully integrated floorboards keep rider’s feet dry and feature serrated footpegs for extra grip in wet conditions.
* Large front and rear fenders with inner guards offer excellent mud/splash protection.
* Maintenance-free 18-amp-hour battery provides reliable, cold-weather starting power.
* Easy-access, underseat marine-spec electrical components ensure maximum protection from the elements.
* Dual, bright multireflector 30-watt halogen bulb headlights with high and low beams.
* Built in Newnan, GA, USA.


Engine Type – 401cc, 4-Stroke Single, Liquid Cooled w/ Fan, SOHC

Bore x Stroke – 84.5mm x 71.5mm

Compression Ratio –10.5:1

Carburetion – Mikuni 33mm BSR

Ignition – DC – CDI

Starting System – Electric w/ Auxiliary Pull

Transmission – Yamaha Ultramatic V-Belt / F,N,R

Engine Braking – Fr. & Rr. Wheel

Drive Train – Yamaha On-Command push button 2WD, 4WD ; Shaft

Suspension/ Front – Independent Double Wishbone, 6.3” w/ 5-way Preload Adjustment.
Suspension/ Rear – Independent Double Wishbone, 7.1” w/ 5-way Preload Adjustment

Brakes/ Front – Dual Hydraulic Disc
Brake/ Rear – Hydraulic Disc

Tires/ Front – AT25x8-12
Tires/ Rear – AT25x10-12

LxWxH – 78.5”x43.0”x44.1”

Seat Height – 32.7”

Wheel Base – 48.5”

Turning Radius – 118”

Ground Clearance – 10.8”

Fuel Capacity – 4.0 Gallons

Dry Weight – 578 Lbs

Rack Capacity – 88 Lbs.Fr. / 176 Lbs. Rr.

Towing Capacity – 1,102 Lbs.

Instrumentation – Speedometer / Odometer & Fuel Gauge

Lighting – Dual 30W Krypton Multi-reflector Headlights & 21/5W Brake light

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