E.g. “Yamaha Kodiak”, “Can-Am Outlander”, “Kawasaki Brute Force”
2 of 3 selected:
Kawasaki Brute Force 650 4x4×
Yamaha YFZ 450R SE×
Key Specs at a Glance
Engine
633 cc / 38.63
449 / 27.40
Full Specifications
| × Remove | × Remove |
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| Engine Spec |
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| Engine Detail | 633 cc, 4-stroke, Liquid-cooled, V-twin, 90-degree ✓ | – |
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| Exterior - Safety and Design |
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| Brush Guard | No | Yes |
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| Body Material | Plastic | Plastic |
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| Bash Plate (Front) | Yes | – |
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| Colours |
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| Metallic | No | No |
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| Colors | Woodsman Green, Aztec Red | – |
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| Lighting |
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| Halogen Headlights | Standard | Standard |
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| Headlights | Standard | Standard |
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| Lighting | Two 45-watt headlights, taillight, brake light ✓ | Halogen |
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| Instrumentation |
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| Speedometer | Standard | – |
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| Hour Meter | Standard | – |
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| Fuel Level Warning Type | Gauge | Light |
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| Clock | Standard | – |
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| Trip Odometer | Standard | – |
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| Digital Instrumentation | Standard | Standard |
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| Instumentation | Speedometer, odometer, dual trip meters, clock, hour meter, fuel gauge, 2x4 / 4x4 indicator light, neutral indicator light, reverse indicator light, low fuel warning light, low oil warning light ✓ | – |
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| Towing |
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| Towing Capacity (Kg / Lbs.) | 567 / 1,250 ✓ | – |
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| Rear Hitch | Standard | – |
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| Seats |
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| Seat Adjustable | No | No |
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| Seat Type | One-Piece | One-Piece |
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| Seat Material | Vinyl | Vinyl |
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| Seat Location | Driver | Driver |
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| Number Of Seats | 1 | 1 |
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| Seat Height (mm / in.) | 861.1 / 33.9 | 810 / 31.9 ✓ |
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| Storage |
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| Fender Storage Location | Front | – |
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| Underseat Storage | Standard | – |
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| Storage Capacity (Kg / Lbs.) | 39.9 / 88 | – |
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| Racks and Payload |
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| Rack Capacity Rear (Kg / Lbs.) | Unknown / 176 ✓ | – |
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| Exterior - Safety and Design |
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| Floor Board Location | Driver | – |
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| Racks and Payload |
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| Rack Capacity Front (Kg / Lbs.) | Unknown / 88 ✓ | – |
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| Exterior - Safety and Design |
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| Foot Peg Location | Driver | Driver |
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| Frame | Steel | Aluminum / Steel |
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| CV Boot Cover | – | No |
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| Comfort |
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| Adjustable Levers | – | Standard |
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| Instrumentation |
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| Temperature Warning Type | – | Gauge |
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| Transmission (Gearbox) and Final Drive |
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| Number Of Speeds | – | 5 ✓ |
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| Primary Drive - Rear Wheels | – | Chain |
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| Dimensions and Weight |
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| Wet Weight (Lbs. / Kg) | – | 405 / 183.7 ✓ |
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| Suspension |
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| A-Arm Skid Plate (Rear) | – | No |
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| Front Suspension Make | – | KYB |
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| Brakes |
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| Rear Brake Diameter (mm / in.) | – | 200 / 7.9 ✓ |
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| Front Brake Diameter (mm / in.) | – | 161 / 6.3 ✓ |
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| Engine Spec |
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| Fuel Injector Size MM | – | 42 ✓ |
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| Manufacturer and Warranty |
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| Parent Company | Kawasaki | Yamaha |
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| Recommend Minimum Age | 16 | 16 |
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| Manufacturer Country | Japan | Japan |
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| Steering |
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| Steering Type | Manual | Manual |
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| Exterior - Safety and Design |
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| Snorkel Air Intake | Standard | – |
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| Shock Cover | No | – |
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| Rear Stabilizer Bar | No | No |
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| Rear Fender | Standard | Standard |
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| Rear Bumper | Standard | Standard |
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| Power Outlet | Standard | – |
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| Light Guard | No | No |
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| Hand Grips | Standard | Standard |
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| Full Length Skid Plate | No | – |
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| Front Stabilizer Bar | No | No |
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| Front Fender | Standard | Standard |
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| Front Bumper | Standard | Standard |
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| Folding Foot Pegs | No | No |
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| Hand Guards | – | No |
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| Fuel |
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| Fuel Tank Capacity (l / gal.) | 18 / 4.8 ✓ | 9.8 / 2.6 |
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| Tires and Rims |
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| Rim Material | Aluminum | Aluminum |
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| Suspension |
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| Swing Arm Skid Plate | No | Yes |
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| Suspension Rear - Material | Aluminum | Aluminum |
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| Suspension Rear | Aluminum swingarm and single shock 7.2 in travel | Swing Arm |
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| Front Adjustable Rebound Damping | No | Yes |
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| Front Adjustable Fork Pre-Load | No | Yes |
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| Suspension - Front Travel (mm / in.) | 170 / 6.7 | 249 / 9.8 ✓ |
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| Front Suspension | MacPherson Struts 6.7 in travel | Independent Double Wishbone |
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| Brakes |
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| Brakes Rear | Sealed, oil-bathed, multi-disc | Hydraulic Disc |
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| Brakes Front | Two Dual-piston disc brakes | Dual Hydraulic Disc |
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| Engine Spec |
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| Ignition | DC-CDI - Electric/recoil | Electric |
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| Fuel Type | Petrol | Petrol |
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| Carborator Count | 2 ✓ | – |
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| Carburetor Size MM | 32 ✓ | – |
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| Fuel System Brand | Keihin | – |
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| Fuel System | two keihin CVKR-32 ✓ | Fuel Injected |
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| Compression Ratio | 9.9:1 | 11.8:1 |
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| Bore Stroke(in) | 3.15in. x 2.48in. | 3.74in. x 2.5 in. |
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| Bore Stroke(mm) | 85 mm x 66 mm | 95mm x 63.4mm ✓ |
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| Displacement To Weight CC | 1.05 | 1.11 |
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| Engine Braking | All Wheel | – |
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| Engine Cylinders | two-cylinder | Single-Cylinder |
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| Engine Cooling | Liquid-cooled | Liquid / Air |
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| Engine Type | 4-stroke | 4-Stroke |
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| Total Valves | 8 ✓ | 5 |
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| Valve Configuration | 4-valves per cylinder | 5-valves ✓ |
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| Engine Valves | SOHC, four valves per cylinder | DOHC |
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| Engine Capacity (cc / Ci ) | 633 cc / 38.63 ✓ | 449 / 27.40 |
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| Suspension |
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| Rear Travel (mm / in.) | 183 / 7.2 | 279 / 11 ✓ |
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| Tires and Rims |
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| Rear Solid Axle | Yes | Yes |
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| Suspension |
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| Rear Adjustable Rebound Damping | No | Yes |
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| Number of Rear Shock Absorbers | 1 | 1 |
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| Tires and Rims |
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| Rear Rim Diameter (in) | 12 ✓ | 9 |
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| Rear Tire Width (in) | 10 | 10 |
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| Rear Tire Diameter (in) | 25 ✓ | 20 |
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| Tires Rear | AT25x10-12 ✓ | Maxxis AT 20 X 10-9 |
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| Front Rim Diameter (in) | 12 ✓ | 10 |
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| Front Tire Width (in) | 8 | 7 ✓ |
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| Front Tire Diameter (in) | 25 ✓ | 21 |
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| Tires Front | AT25x8-12 ✓ | Maxxis AT 21 X 7-10 |
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| Tube / Tubeless | Tubeless | Tubeless |
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| Tire Make | Dunlop | Maxxis |
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| Transmission (Gearbox) and Final Drive |
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| Reverse | Yes | No |
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| Hi / Low Range | Yes | No |
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| Diff Lock Location | Front | – |
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| Limited Slip Diff Location | Front | – |
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| Primary Drive - Front Wheels | Shaft | – |
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| Primary Drive Engine / Transmission | Belt | – |
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| Drive line Modes | 2 ✓ | 1 |
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| Final Drive Ratio | 4.38 | – |
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| Final Drive | 2x4 / 4x4 shaft | 4X2 ✓ |
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| Transmission | Dual-range CVT plus reverse with Kawasaki Engine Brake Control | Manual |
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| Dimensions and Weight |
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| Dry Weight (Kg / Lbs.) | 273.1 / 602 | – |
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| Wheelbase (mm / in.) | 1292.9 / 50.9 | 1270 / 50 ✓ |
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| Ground Clearance (mm / in.) | 185.4 / 7.3 | 236 / 9.3 ✓ |
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| Height (mm / in.) | 1250 / 49.2 | 1064 / 41.9 ✓ |
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| Width (mm / in.) | 1212 / 47.7 ✓ | 1240 / 48.8 |
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| Length (mm / in.) | 2192 / 86.3 | 1795 / 70.68 ✓ |
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| Suspension |
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| Air Adjustable | No | No |
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| Rear Adjustable Shock Spring Pre-Load | Yes | Yes |
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| Exterior - Safety and Design |
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| Radiator Guard | – | Yes |
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Clear all & start over
Pros & Cons
✓ Pros
- Largest engine in this comparison (633 cccc)
- Highest rated towing capacity (567kg)
- Disc brakes front and rear — strong stopping power
- CVT automatic transmission — easy to ride, no gear-changing
✗ Cons
- No significant weaknesses identified from available data
✓ Pros
- Best ground clearance — handles rough terrain well
- Independent front suspension for better ride comfort
- Disc brakes front and rear — strong stopping power
- Manual gearbox — greater control in technical terrain
✗ Cons
- Smaller engine than the 2006 Kawasaki Brute Force 650 4x4
- 2WD only — less traction off-road than 4WD alternatives
Comparing 2006 Kawasaki Brute Force 650 4x4 vs 2019 Yamaha YFZ 450R SE — Common Questions
Which has the most powerful engine?
The 2006 Kawasaki Brute Force 650 4x4 has the largest displacement at 633 cccc, making it the most powerful in this comparison. A larger engine generally means more torque for towing and off-road work.
Which is best for farm work and towing?
For heavy farm use the 2006 Kawasaki Brute Force 650 4x4 has the highest towing capacity at 567kg. For general farm duties any quad with 4WD and a towing rating above 400kg is suitable for light implements, spray rigs and game-reserve work.
Which has the better suspension?
Independent front suspension (A-Arm or IFS) absorbs bumps better than solid-axle designs and improves handling on uneven terrain. Check the Suspension category in the full table above to compare front and rear travel for each model.
Which is the easiest to ride?
CVT automatic transmission is easiest for beginners — there is no gear-changing or clutch to manage. A lower seat height also makes a quad more accessible for shorter riders. Check the Transmission and Seat Height rows in the table above.
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