2007 Yamaha Grizzly 450 4x4 Automatic Quad Specs
The 2007 Yamaha Grizzly 450 4x4 Automatic features a 421cc liquid-cooled w/fan, SOHC 4-stroke single engine with Yamaha On-Command® push button 3-way locking differential, 2WD, 4WD, locked 4WD; shaft drive. Below are the complete specifications for this Yamaha quad bike — engine, dimensions, suspension, brakes, wheels and more.
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Engine Spec
| Engine Detail | 421cc liquid-cooled w/fan, SOHC 4-stroke single |
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| Engine Capacity (cc / Ci ) | 421 cc / 25.7 |
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| Engine Valves | SOHC |
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| Valve Configuration | 2-valves |
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| Total Valves | 2 |
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| Engine Type | 4-stroke |
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| Engine Cooling | liquid-cooled w/fan |
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| Engine Cylinders | single-cylinder |
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| Engine Braking | All wheel |
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| Displacement To Weight CC | 0.71 |
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| Bore Stroke(mm) | 84.5 mm x 75 mm |
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| Bore Stroke(in) | 3.33in. x 2.96 in. |
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| Compression Ratio | 10:1 |
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| Fuel System | Mikuni 33mm BSR |
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| Fuel System Brand | Mikuni |
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| Carburetor Size MM | 33 |
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| Carborator Count | 1 |
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| Fuel Type | Petrol |
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| Ignition | DC-CDI |
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| Speed Governor | No |
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Brakes
| Brakes Front | Dual hydraulic discs |
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| Brakes Rear | Hydraulic disc |
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Suspension
| Front Suspension | Independent double wishbone, 6.3in travel w/5-way preload adjustment |
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| A-Arm Skid Plate (Front) | Yes |
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| Suspension - Front Travel (mm / in.) | 160 / 6.3 |
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| Front Adjustable Fork Pre-Load | Yes |
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| Front Adjustable Rebound Damping | No |
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| Suspension Rear | Independent double wishbone, 7.1in travel w/5-way preload adjustment |
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| Suspension Rear - Material | Steel |
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| Rear Travel (mm / in.) | 180.3 / 7.1 |
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| Rear Adjustable Rebound Damping | No |
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| Rear Adjustable Shock Spring Pre-Load | Yes |
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| Number of Rear Shock Absorbers | 2 |
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| Air Adjustable | No |
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Dimensions and Weight
| Length (mm / in.) | 1994 / 78.5 |
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| Width (mm / in.) | 1092 / 43.0 |
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| Height (mm / in.) | 1120 / 44.1 |
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| Ground Clearance (mm / in.) | 274.3 / 10.8 |
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| Wheelbase (mm / in.) | 1231.9 / 48.5 |
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| Dry Weight (Kg / Lbs.) | 268.1 / 591 |
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Transmission (Gearbox) and Final Drive
| Transmission | Yamaha Ultramatic® V-belt/H, L, N, R, P |
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| Transmission Make | UltraMatic |
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| Final Drive | Yamaha On-Command® push button 3-way locking differential, 2WD, 4WD, locked 4WD; shaft |
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| Drive line Modes | 2 |
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| Primary Drive Engine / Transmission | Belt |
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| Primary Drive - Front Wheels | Shaft |
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| Driveline Make | On-Command |
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| Limited Slip Diff Location | Front |
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| Diff Lock Location | Front |
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| Hi / Low Range | Yes |
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| Reverse | Yes |
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Tires and Rims
| Tire Make | Maxxis |
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| Tube / Tubeless | Tubeless |
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| Tires Front | AT25x8-12 |
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| Front Tire Diameter (in) | 25 |
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| Front Tire Width (in) | 8 |
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| Front Rim Diameter (in) | 12 |
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| Tires Rear | AT25x10-12 |
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| Rear Tire Diameter (in) | 25 |
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| Rear Tire Width (in) | 10 |
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| Rear Rim Diameter (in) | 12 |
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| Rim Material | Steel |
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| Rear Solid Axle | No |
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Fuel
| Fuel Tank Capacity (l / gal.) | 15 / 4 |
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Racks and Payload
| Rack Capacity Front (Kg / Lbs.) | Unknown / 88 |
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| Rack Capacity Rear (Kg / Lbs.) | Unknown / 176 |
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Storage
| Storage Capacity (Kg / Lbs.) | 39.9 / 88 |
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| Underseat Storage | Standard |
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Seats
| Seat Height (mm / in.) | 830.6 / 32.7 |
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| Number Of Seats | 1 |
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| Seat Location | Driver |
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| Seat Material | Vinyl |
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| Seat Type | One-Piece |
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| Seat Adjustable | No |
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Towing
| Tow Hook | Standard |
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| Rear Hitch | Standard |
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| Towing Capacity (Kg / Lbs.) | 499.9 / 1102 |
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Instrumentation
| Instumentation | Digital LCD multifunction display, speedo, odo, dual trip, hour meter, clock, gear position & fuel gauge |
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| Digital Instrumentation | Standard |
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| Trip Odometer | Standard |
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| Clock | Standard |
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| Fuel Level Warning Type | Gauge |
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| Hour Meter | Standard |
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| Speedometer | Standard |
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| Temperature Warning Type | Gauge |
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Lighting
| Lighting | Dual 30W Krypton multireflector headlights & 21/5W brake light |
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| Headlights | Standard |
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| Halogen Headlights | Standard |
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Colours
| Colors | Hunter Green, Steel Blue, Red, Hardwoods HD Camo |
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| Metallic | No |
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Exterior - Safety and Design
| Bash Plate (Front) | Yes |
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| Bash Plate (Rear) | Yes |
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| Body Material | Plastic |
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| CV Boot Cover | Yes |
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| Floor Board Location | Driver |
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| Foot Pegs | Standard |
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| Folding Foot Pegs | No |
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| Frame | Steel |
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| Front Bumper | Standard |
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| Front Fender | Standard |
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| Front Stabilizer Bar | No |
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| Full Length Skid Plate | Yes |
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| Hand Grips | Standard |
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| Power Outlet | Standard |
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| Radiator Guard | No |
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| Rear Fender | Standard |
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| Rear Stabilizer Bar | No |
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| Shock Cover | No |
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Steering
| Steering Type | Manual |
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| Turning Circle | 118 in |
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Manufacturer and Warranty
| Manufacturer Country | Japan |
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| Recommend Minimum Age | 16 |
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| Parent Company | Yamaha |
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2007 Yamaha Grizzly 450 4x4 Automatic — Frequently Asked Questions
What engine does the 2007 Yamaha Grizzly 450 4x4 Automatic have?
The 2007 Yamaha Grizzly 450 4x4 Automatic is powered by a 421cc 4-stroke engine that is liquid-cooled w/fan.
What transmission and drive does the 2007 Yamaha Grizzly 450 4x4 Automatic have?
The 2007 Yamaha Grizzly 450 4x4 Automatic uses a yamaha ultramatic® v-belt/h, l, n, r, p transmission with 2 drive.
How much does the 2007 Yamaha Grizzly 450 4x4 Automatic weigh?
The 2007 Yamaha Grizzly 450 4x4 Automatic has a dry weight of approximately 268.1 kg. Note that dry weight excludes fuel, oil and rider — add roughly 15–20 kg for a full tank of fuel.
What can the 2007 Yamaha Grizzly 450 4x4 Automatic tow?
The 2007 Yamaha Grizzly 450 4x4 Automatic has a rated towing capacity of around 499.9 kg, making it suited to farm, game-reserve and utility work.
What brakes does the 2007 Yamaha Grizzly 450 4x4 Automatic have?
The 2007 Yamaha Grizzly 450 4x4 Automatic is fitted with dual hydraulic discs brakes at the front and hydraulic disc brakes at the rear.
What is the seat height of the 2007 Yamaha Grizzly 450 4x4 Automatic?
The 2007 Yamaha Grizzly 450 4x4 Automatic has a seat height of about 830.6 mm, which is typical for a utility ATV.
How big is the 2007 Yamaha Grizzly 450 4x4 Automatic fuel tank?
The 2007 Yamaha Grizzly 450 4x4 Automatic holds approximately 15 litres of fuel. This is adequate for most day rides and farm use.
What age is the 2007 Yamaha Grizzly 450 4x4 Automatic suitable for?
The manufacturer recommends the 2007 Yamaha Grizzly 450 4x4 Automatic for riders aged 16 and older. Adult supervision is advised for young riders.
Where is the 2007 Yamaha Grizzly 450 4x4 Automatic made?
The 2007 Yamaha Grizzly 450 4x4 Automatic is manufactured in Japan.
Is the 2007 Yamaha Grizzly 450 4x4 Automatic available in South Africa?
Yamaha quad bikes and ATVs are sold through dealers across South Africa, though availability of specific model years varies. Check with your nearest Yamaha dealer for current stock, pricing and spares.