Yamaha Grizzly 450 IRS 2015 - Specifications & Review

Grizzly 450 IRS

Article Complete Info

Articleid538795
CategoryATV
MakeYamaha
ModelGrizzly 450 IRS
Year2015

Chassis, Suspension, Brakes & Wheels

FrontbrakesDouble disc. Hydraulic.
FrontsuspensionIndependent double wishbone, 5 position preload adjustment
Fronttyre25/8-12
Frontwheeltravel160 mm (6.3 inches)
RearbrakesDouble disc. Sealed oil-bathed multi-disc
RearsuspensionIndependent double wishbone, 5 position preload adjustment
Reartyre25/10-12
Rearwheeltravel180 mm (7.1 inches)

Engine & Transmission

Borexstroke84.5 x 75.0 mm (3.3 x 3.0 inches)
Compression10.0:1
CoolingsystemLiquid
Displacement421.00 ccm (25.69 cubic inches)
DrivelineUltramatic® V-Belt Transmission L/H/N/R/P. On-Command; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft
EnginedetailsSingle cylinder, four-stroke
EnginetypeGear-driven crankshaft balancer shaft and rubber-damper engine mounts
FuelsystemCarburettor. BSR33/1
GearboxAutomatic
IgnitionDC-CDI 
TransmissiontypefinaldriveShaft drive (cardan)
Valvespercylinder2

Other Specifications

CarryingcapacityFront and rear rack.
ColoroptionsGreen, Blue, Red
CommentsAckermann-type steering system (EPS).
Factorywarranty6 Month (Limited Factory Warranty)
InstrumentsDigital LCD multifunction display: speedometer, odometer, dual tripmeter, hour meter, clock, gear position and fuel gauge
LightDual 30W Krypton multireflector headlights and 21W/5W brakelight
StarterElectric

Physical Measures & Capacities

Fuelcapacity15.14 litres (4.00 gallons)
Groundclearance274 mm (10.8 inches)
Overallheight1,120 mm (44.1 inches)
Overalllength1,994 mm (78.5 inches)
Overallwidth1,092 mm (43.0 inches)
Seatheight841 mm (33.1 inches) If adjustable, lowest setting.
Weightincloilgasetc281.2 kg (620.0 pounds)

About Yamaha Grizzly 450 IRS 2015

2015 Yamaha Grizzly 450 IRS: A Rugged Companion for Any Terrain

The 2015 Yamaha Grizzly 450 IRS stands out in the competitive ATV market as a versatile and dependable choice for both novice riders and seasoned enthusiasts alike. With its robust build and reliable performance, this all-terrain vehicle is designed to tackle everything from rugged trails to agricultural tasks, making it an ideal companion for work and play. The Grizzly 450 combines Yamaha's renowned engineering with the versatility needed for off-road adventures, all while maintaining a user-friendly approach that is perfect for those looking to explore the great outdoors.

At the heart of the Grizzly 450 is a potent 421cc single-cylinder, four-stroke engine that delivers a thrilling ride with a compression ratio of 10.0:1. This powerhouse offers a harmonious blend of power and efficiency, ensuring that riders can confidently navigate through challenging terrains. The automatic gearbox paired with a shaft drive system facilitates smooth acceleration and effortless gear transitions, allowing for an enjoyable ride without the hassle of manual shifting. With a well-tuned liquid cooling system, the engine maintains optimal performance even during extended use, ensuring that riders can push their limits with peace of mind.

The Grizzly 450 is equipped with advanced features that enhance both comfort and control. Its independent double wishbone suspension, featuring five-position preload adjustments for both front and rear, guarantees an exceptional ride quality, whether you're tackling rocky paths or cruising through mud. The impressive ground clearance of 274 mm (10.8 inches) allows riders to glide over obstacles with ease, while the robust double disc hydraulic brakes provide reliable stopping power for added safety. Additionally, the Ackermann-type steering system (EPS) enhances handling precision, making it easier to navigate tight corners and rugged landscapes. Available in an array of colors including green, blue, and red, the 2015 Grizzly 450 also boasts an electric starter for convenience and accessibility.

Pros:

  1. Powerful Engine: The 421cc engine offers strong performance and reliability for various riding conditions.
  2. Comfortable Suspension: Independent double wishbone suspension with adjustable preload enhances ride comfort and handling.
  3. Versatile Design: Ideal for both work and recreational use, making it suitable for a wide range of riders.

Cons:

  1. Weight: At 281.2 kg (620 pounds), it may feel cumbersome for some riders, particularly in tight spaces.
  2. Limited Warranty: The six-month limited factory warranty may not provide enough peace of mind for long-term owners.
  3. Fuel System: The carburettor setup may require more maintenance compared to modern fuel-injected systems.

In summary, the 2015 Yamaha Grizzly 450 IRS is an exceptional ATV that combines performance, comfort, and reliability, making it a formidable choice for adventurers and workers alike. Whether you're cruising through fields or navigating challenging trails, the Grizzly 450 is engineered to deliver an enjoyable and capable ride.

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