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ATV · 2012

Grizzly 450 Auto 4x4

US$ 6899. MSRP depends on country, taxes, accessories, etc.
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2012 Yamaha Grizzly 450 Auto 4x4 Technical Analysis & Specification Breakdown

Positioned in Yamaha's atv motorcycle lineup, the 2012 Yamaha Grizzly 450 Auto 4x4 utilizes a 421 cc (25.7 cu in) liquid-cooled single cylinder, four-stroke layout. Internal engine geometry specifies a bore and stroke of 84.5 x 75.0 mm (3.3 x 3.0 inches) with a 10.0:1 compression ratio.

On the scales, the Grizzly 450 Auto 4x4 measures 274.9 kg (606 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 841 mm (33.1 in) seat height — resulting in a taller command-style riding posture suited to medium-to-tall inseams, combined with a 1,232 mm (48.5 in) wheelbase engineered for quick, flickable steering geometry. The 15.14-liter (4 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Standover Height
841 mm (33.1 in)
Engine
Displacement 421.0 ccm (25.69 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Gear-driven crankshaft balancer shaft and rubber-damper engine mounts
Compression 10.0:1
Bore x Stroke 84.5 x 75.0 mm (3.3 x 3.0 inches)
Fuel System Carburettor. Mikuni 33mm BSR
Fuel Control Single Overhead Cams (SOHC)
Ignition DC-CDI
Cooling Liquid
Transmission
Gearbox Automatic
Final Drive Shaft drive (cardan) (final drive)
Driveline Yamaha On-Command pushbutton; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft drive
Performance
Exhaust Stainless steel muffler
Chassis
Front Suspension Independent double wishbone
Front Travel 160 mm (6.3 inches)
Rear Suspension Independent double wishbone
Rear Travel 180 mm (7.1 inches)
Wheelbase 1232 mm (48.5 inches)
Ground Clearance 274 mm (10.8 inches)
Wheels & Brakes
Front Tyre 25/8-12
Rear Tyre 25/10-12
Front Brakes Double disc. Hydraulic
Rear Brakes Single disc. Hydraulic
Dimensions & Weight
Weight incl. 274.9 kg (606.0 pounds)
Seat Height 841 mm (33.1 inches) If adjustable, lowest setting.
Overall Length 1994 mm (78.5 inches)
Fuel Capacity 15.14 litres (4.00 US gallons)
Other
Starter Electric
Color Options Hunter Green, Steel Blue, Realtree® AP™ Camouflage
Instruments Digital LCD multifunction display: speedometer, odometer, dual tripmeter, hour meter, clock, gear position and fuel gauge
Light Dual 30W Krypton multireflector headlights and 21W/5W brakelight
Warranty 6 Months
More from Yamaha
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

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Best For
General Purpose
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Seat Height
84.1 cm / 33.1 in
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