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ATV · 2012

YFZ450R SE

US$ 8949. MSRP depends on country, taxes, accessories, etc.
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2012 Yamaha YFZ450R SE Technical Analysis & Specification Breakdown

At the heart of the 2012 Yamaha YFZ450R SE atv motorcycle, Yamaha features a 449 cc (27.4 cu in) liquid-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 95.0 x 63.4 mm (3.7 x 2.5 inches) with a 11.6:1 compression ratio.

On the scales, the YFZ450R SE measures 183.7 kg (405 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 810 mm (31.9 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,270 mm (50 in) wheelbase engineered for quick, flickable steering geometry. The 9.84-liter (2.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Yamaha archive, this model family spans 12 indexed model years from 2010 to 2024, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Standover Height
810 mm (31.9 in)
Engine
Displacement 449.0 ccm (27.40 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Titanium valves
Compression 11.6:1
Bore x Stroke 95.0 x 63.4 mm (3.7 x 2.5 inches)
Valves/Cylinder 5
Fuel System Injection. Yamaha Fuel Injection (YFI) , 42mm
Fuel Control Double Overhead Cams/Twin Cam (DOHC)
Ignition Digital TCI: Transistor Controlled Ignition
Cooling Liquid
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Clutch Drive Train
Driveline 2WD; Sealed O-Ring Chain, Eccentric Adjustment
Chassis
Front Suspension Independent double wishbone, w/ Kashima coated piggy back shocks, High/Low speed compression, rebound and threaded preload adjustment, 9.8-in travel
Rear Suspension Cast aluminum swingarm w/ piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel
Wheelbase 1270 mm (50.0 inches)
Ground Clearance 114 mm (4.5 inches)
Wheels & Brakes
Front Tyre 21/7-10
Rear Tyre 20/10-9
Front Brakes Double disc. Ventilated hydraulic disc, twin piston
Rear Brakes Single disc. Wave Style Ventilated Hydraulic Disc, Twin Piston
Dimensions & Weight
Weight incl. 183.7 kg (405.0 pounds)
Seat Height 810 mm (31.9 inches) If adjustable, lowest setting.
Overall Height 1064 mm (41.9 inches)
Overall Length 1796 mm (70.7 inches)
Overall Width 1240 mm (48.8 inches)
Fuel Capacity 9.84 litres (2.60 US gallons)
Other
Starter Electric
Color Options Yellow/Black Metallic
Light Dual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light
Warranty 6 Month (Limited Factory Warranty)
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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Seat Height
81 cm / 31.9 in
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