| General |
| Comments | Launch control. Power Tuner via smartphone. | Model id: CRF450R. |
| Colours | Team Yamaha Blue | Red |
| Warranty | 30 Day Limited Factory Warranty | - |
| Dimensions |
| Ground Clearance (mm) | 330 mm | 336 mm |
| Ground Clearance (in.) | 13.0 inches | 13.2 inches |
| Seat Height | 965 mm / 38.0 in. | 965 mm / 38.0 in. |
| Wheelbase | 1486 mm / 58.5 in. | 1481 mm / 58.3 in. |
| Height | 1285 mm / 50.6 in. | 1267 mm / 49.9 in. |
| Length | 2184 mm / 86.0 in. | 2182 mm / 85.9 in. |
| Width | 826 mm / 32.5 in. | 827 mm / 32.6 in. |
| Weights & Capacities |
| Oil Capacity (Quarts) | 1.06 US quarts | 1.9 US quarts |
| Oil Capacity (l) | 1.00 litres | 1.80 litres |
| Dry Weight | - | 105.8 kg / 233.2 lbs |
| Fuel Capacity | 6.06 litres / 1.60 US gallons | 6.30 litres / 1.66 US gallons |
| Wet Weight | 111.1 kg / 245.0 lbs | 111.1 kg / 245.0 lbs |
| Performance |
| Top Speed | - | 170.0 km/h / 105.6 mph |
| Max Torque | - | 48.0 Nm (4.9 kgf-m or 35.4 ft.lbs) @ 7000 rpm |
| Power-to-Weight Ratio | - | 0.5007 HP/kg |
| Engine |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) | Single Overhead Cams (SOHC) |
| Engine Type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Displacement (ci) | 27.40 cubic inches | 27.44 cubic inches |
| Bore x Stroke (in,) | 3.8 x 2.4 inches | 3.8 x 2.4 inches |
| Bore x Stroke (mm) | 97.0 x 60.9 mm | 96.0 x 62.1 mm |
| Displacement (cc) | 449.0 cc | 449.7 cc |
| Engine Detail | Titanium-valves | 38mm intake valve, 31mm exhaust |
| Fuel System | Injection. Mikuni® fuel injection, 44mm | Injection. Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body Read |
| Compression Ratio | 13.0:1 | 13.5:1 |
| Engine Lubrication | Wet sump | - |
| Ignition | TCI: Transistor Controlled Ignition | Digital CDI |
| Spark Plug | NGK CPR8EA-9 | - |
| Starter | Electric | Electric |
| Valve System | 4 | 4 |
| Drivetrain |
| Chain Size | 520 | - |
| Clutch | Multiplate wet clutch | Multi plate wet |
| Final Drive | Chain (final drive) | Chain (final drive) |
| Gearbox | 5-speed | 5-speed |
| Primary Drive | - | #520 Chain; 13T/49T |
| Chassis |
| Frame Type | Bilateral beam frame, aluminum | Aluminium twin tube |
| Suspension - Front | KYB Speed-Sensitive System, inverted fork: fully adjustable | 49mm inverted Showa fork with 13-position rebound and 15-position compression-damping adjustabilit |
| Suspension - Rear | KYB® single shock; fully adjustable | Pro-Link Showa single shock with adjustable spring preload, 11-position rebound and six-position high- and low-speed compression-damping adjustability |
| Rake | 26.9° | 27.1° |
| Seat | Long, two-tone, motocross-style seat | - |
| Trail | 119 mm / 4.7 in. | 114 mm / 4.5 in. |
| Wheel Travel - Front | 310 mm / 12.2 in. | 310 mm / 12.2 in. |
| Wheel Travel - Rear | 318 mm / 12.5 in. | 315 mm / 12.4 in. |
| Wheels & Brakes |
| Brakes - Front | Single disc. Hydraulic. | Single disc. Hydraulic. Two-piston calipers. |
| Brakes - Rear | Single disc. Hydraulic. | Single disc. Hydraulic. Single-piston caliper. |
| Brake Fluid Type | DOT 4 | - |
| Rims | - | Dunlop MX33 tires |
| Tyres - Front | 80/100-21 | 80/100-21 |