New 2012 Yamaha YFZ Engine Specs
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2012 Yamaha YFZ Engine Specifications

ATV Rider Online helps you research the new 2012 Yamaha YFZ engine specifications before buying this Sport quad. Find out what type of engine it is including all the details about the carburetion type, battery amps, number of valves per cylinder, engine displacement and compression ratio, cylinder bore and stroke, fuel requirements, and more. Simply choose from the options below to view the 2012 Yamaha YFZ engine specs.
Yamaha YFZ 2012
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Yamaha YFZ 2012

Research the 2012 Yamaha YFZ Sport with the information in our new ATV Buyer’s Guide. Our buyer’s guide provides new ATV pricing information, photos and colors, specification data and more.
Yamaha YFZ 2012

2012 YFZ Engine Specs

Bore (in)
3.74
Bore (mm)
95
Carburetion Brand
Mikuni
Carburetor Size (mm)
42
Compression Ratio
11.41
Cooling
Liquid / Air
Cylinders
1
Displacement (cc)
449
Displacement (ci)
27.4
Engine Block Heater
Not Available
Engine Configuration
Single-Cylinder
Engine Immobilizer
Not Available
Engine Type
4-Stroke
Fuel Injector
No
Fuel Requirements
Regular
Fuel System Type
Carburetor
Number Of Carburetors
1
Snorkel Air Intake
Not Available
Starter
Electric
Stroke (in)
2.5
Stroke (mm)
63.4
Valve Configuration
DOHC
Valves
5
Valves Per Cylinder
5
2012 Yamaha YFZ 450 Engine Specs 2012 Yamaha YFZ 450
Bodystyle:
Sport
HP/Torque:
N/A / N/A
Base MSRP:
2012 Yamaha YFZ 450 R SE Engine Specs 2012 Yamaha YFZ 450 R SE
Bodystyle:
Sport
HP/Torque:
N/A / N/A
Base MSRP:
2012 Yamaha YFZ 450 R Engine Specs 2012 Yamaha YFZ 450 R
Bodystyle:
Sport
HP/Torque:
N/A / N/A
Base MSRP:
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