2015 Yamaha Grizzly 450 IRS Specs

motorcycle specs

These are the known mechanical and performance specifications for your 2015 Yamaha Grizzly 450 IRS.

Basic Specs

Year2015
MakeYamaha
ModelYamaha Grizzly 450 IRS
TypeATV
Cost

Engine

Displacement421.00 ccm (25.69 cubic inches)
TypeGear-driven crankshaft balancer shaft and rubber-damper engine mounts
DetailsSingle cylinder, four-stroke
Max RPM
Compression10.0:1
Bore/Stroke84.5 x 75.0 mm (3.3 x 3.0 inches)
Valves/Cylinder2
FuelingCarburettor. BSR33/1
IgnitionDC-CDI
Exhaust
Lubrication
CoolingLiquid

Drivetrain

GearboxAutomatic
Final DriveShaft drive (cardan)
Clutch
DrivelineUltramatic® V-Belt Transmission L/H/N/R/P. On-Command; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft

Performance

Horespower
Torque
Top Speed

Fuel Economy & Polution

Fuel Consumption
Fuel Capacity15.14 litres (4.00 gallons)
Emissions

Chassis

Frame Type
Rake
Trail
Front SuspensionIndependent double wishbone, 5 position preload adjustment
Front Travel160 mm (6.3 inches)
Rear SuspensionIndependent double wishbone, 5 position preload adjustment
Rear Travel180 mm (7.1 inches)
Seat
Seat Height841 mm (33.1 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,120 mm (44.1 inches)
Total Length1,994 mm (78.5 inches)
Total Width1,092 mm (43.0 inches)
Ground Clearance274 mm (10.8 inches)
Wheelbase1,232 mm (48.5 inches)
Dry Weight
Wet Weight281.2 kg (620.0 pounds)

Wheels & Brakes

Front Tire/Tyre25/8-12
Rear Tire/Tyre25/10-12
Front BrakesDouble disc. Hydraulic.
Front Brake Diameter
Rear BrakesDouble disc. Sealed oil-bathed multi-disc
Rear Brake Diameter
Wheels

Comments

It appears you're interested in specifications for the Yamaha Grizzly 450 IRS. This ATV model is powered by a Gear-driven crankshaft balancer shaft and rubber-damper engine mounts Single cylinder, four-stroke engine with 421.00 ccm (25.69 cubic inches) of actual displacement before 10.0:1 compression. Fueling is metered via Carburettor. BSR33/1 allowing this machine to produce its horsepower and torque. According to our records engine heat of the Yamaha Grizzly 450 IRS is moderated by Liquid. You'll need to get familiar with the Automatic transmission and pay attention to final drive Shaft drive (cardan) maintainence. Our best information shows that the front tire size is 25/8-12 and the rear is 25/10-12 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. Hydraulic. front brakes and Double disc. Sealed oil-bathed multi-disc rear brakes. The Yamaha Grizzly 450 IRS was launched in 2015, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.

Ackermann-type steering system (EPS).