YAMAHA Grizzly 4504x4 IRS (2009-2010) Specs, Performance & Photos
Segment: ATV/Quad
Production years: 2009, 2010
3 Photos
The 2009 Yamaha Grizzly 450 4x4 IRS will get you a lot of ATV for the price, and if dependable performance, versatility and affordability are the top requirements on your shopping list, then we might just have a winner. This mid-size machine comes with the acclaimed Ultramatic automatic transmission, on-command 4WD with fully-locked differential mode, independent rear suspensions, digital instrumentation, a sealer rear brake and receiver hitch.
But that's not all, as the 2009 Yamaha Grizzly 450 4x4 IRS also sports a dual-range operation, engine braking, an impressive racking capacity, watertight underseat storage and easy, intuitive operation suitable for less experienced riders, too. For farming or ranching chores and weekend fun off the road, the 2009 Yamaha Grizzly 450 4x4 IRS has all the needed character.
YAMAHA Grizzly 4504x4 IRS 2009-2010
YAMAHA Grizzly 4504x4 IRS 421
| engine specs | Type: | 4-stroke, liquid-cooled single; SOHC | Displacement: | 421 cm3 | Bore X Stroke: | 3.3x3.0 in OR 84 mm | Compression Ratio: | 10.0:1 | Horsepower: | / KW(hp)/RPM | Torque: | 0/ lb-ft/RPM OR 0 Nm/RPM | Fuel System: | Mikuni 33mm BSR |
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| transmission specs | Gearbox: | Ultramatic V-belt with all-wheel engine braking/H, L, N, R, P | Clutch: | Automatic clutch | Primary Drive: | - | Final Drive: | On-Command pushbutton; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft drive |
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| chassis specs | Frame: | Steel | Front Suspension: | Independent double wishbone; 6.3-in travel | Rear Suspension: | Independent double wishbone; 7.1-in travel | Front Brake: | Dual hydraulic discs | Rear Brake: | Sealed oil bathed, multi disc |
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| dimension specs | Overall Length: | 78.5 in OR 1994 mm | Overall Width: | 43 in OR 1092 mm | Seat Height: | 33.5 in OR 851 mm | Wheelbase: | 48.5 in OR 1232 mm | Ground Clearance: | 10.8 in OR 274 mm | Weight: | 591 lbs OR 268 kg | Fuel Capacity: | 4 gallons OR 15.1 L |
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| tyres specs | Front: | AT25x8-12 | Rear: | AT25x10-12 |
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