2015 Yamaha Grizzly 450 IRS

Yamaha Grizzly 450 IRS 2015


2015 Yamaha Grizzly 450 IRS specifications, pictures, reviews and rating

Yamaha's profilation of this bike
If your job combines heavy haulage with unpredictable ground conditions, the Grizzly 450 IRS is an unstoppable and dependable work partner that’s ideal for busy days.

General information
Model name Yamaha Grizzly 450 IRS
Year 2015
Category ATV
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Engine and transmission
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)
Valves per cylinder 2
Fuel system Carburettor. BSR33/1
Fuel control Single Overhead Cams (SOHC)
Ignition DC-CDI
Cooling system Liquid
Gearbox Automatic
Transmission type Shaft drive (cardan) (final drive)
Driveline Ultramatic® V-Belt Transmission L/H/N/R/P. On-Command; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft
Chassis, suspension, brakes and wheels
Front suspension Independent double wishbone, 5 position preload adjustment
Front wheel travel 160 mm (6.3 inches)
Rear suspension Independent double wishbone, 5 position preload adjustment
Rear wheel travel 180 mm (7.1 inches)
Front tire 25/8-12
Rear tire 25/10-12
Front brakes Double disc. Hydraulic.
Rear brakes Double disc. Sealed oil-bathed multi-disc
Physical measures and capacities
Weight incl. oil, gas, etc 281.2 kg (620.0 pounds)
Seat height 841 mm (33.1 inches) If adjustable, lowest setting.
Overall height 1120 mm (44.1 inches)
Overall length 1994 mm (78.5 inches)
Overall width 1092 mm (43.0 inches)
Ground clearance 274 mm (10.8 inches)
Wheelbase 1232 mm (48.5 inches)
Fuel capacity 15.14 litres (4.00 US gallons)
Other specifications
Color options Green, Blue, Red
Starter Electric
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
Carrying capacity Front and rear rack.
Factory warranty 6 Month (Limited Factory Warranty)
Comments Ackermann-type steering system (EPS).
Update specsReport missing specs or required updates.
Further information
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MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.
Ask questionsJoin the 15 Yamaha Grizzly 450 IRS discussion group or the general Yamaha discussion group.
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Technical issues with this bike

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