Used 2011 Yamaha Bigbear 400 4X4 IRS Engine Specs
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2011 Yamaha Big Bear 400 4X4 IRS Engine Specifications

ATV Rider Online helps you research the used 2011 Yamaha Big Bear 400 4X4 IRS engine specifications before buying this Utility quad. Find out what type of engine it is including all the details about the Big Bear 400 4X4 IRS carburetion type, battery amps, number of cylinders, 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 2011 Yamaha Bigbear 400 4X4 IRS engine specs.
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Yamaha Bigbear 400 4X4 IRS 2011

Research the 2011 Yamaha Big Bear 400 4X4 IRS Utility with the information in our used ATV Buyer’s Guide. Our buyer’s guide provides used ATV photos and colors, specification data and more.
Yamaha Bigbear 400 4X4 IRS 2011

2011 Bigbear 400 4X4 IRS Engine Specs

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Bore (in)
3.27
Bore (mm)
83
Carburetion Brand
Mikuni
Carburetor�Size (mm)
33
Compression Ratio
8.61
Cooling
Air / Oil
Cylinders
1
Displacement (cc)
386
Displacement (ci)
23.6
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
Standard
Speed Governor
No
Starter
Electric / Pull
Stroke (in)
2.82
Stroke (mm)
71.5
Valve Configuration
SOHC
Valves
2
Valves Per Cylinder
2
2011 Yamaha Big Bear 400 4X4 IRS Engine Specs 2011 Yamaha Big Bear 400 4X4 IRS
Bodystyle:
Utility
HP/Torque:
N/A / N/A
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