Tech Specs
EVOLUTION
The latest, greatest iteration of the YZ400F that started the four-stroke motocross revolution.
RIVALS
Honda CRF450R, Husqvarna TC449, Kawasaki KX450F, KTM 450 SX-F, Suzuki RM-Z450.
Tech
| Price | $8350 |
| Engine type | l-c single |
| Valve train | DOHC, 4v |
| Displacement | 449cc |
| Bore x stroke | 97.0 x 60.8mm |
| Compression | 12.5:1 |
| Fuel system | EFI |
| Clutch | Wet, multi-plate |
| Transmission | 5-speed |
| Claimed horsepower | na |
| Claimed torque | na |
| Frame | Aluminum twin-spar |
| Front suspension | Kayaba 48mm fork with adjustable compression and rebound damping |
| Rear suspension | Kayaba shock with adjustable spring preload, high/low-speed compression and rebound damping |
| Front brake | Nissin two-piston caliper, 250mm disc |
| Rear brake | Nissin one-piston caliper, 245mm disc |
| Front tire | 80/100-21 Dunlop Geomax MX51 |
| Rear tire | 120/80-19 Dunlop Geomax MX51 |
| Rake/trail | na |
| Seat height | 39.3 in. |
| Wheelbase | 58.7 in. |
| Fuel capacity | 1.6 gal. |
| Claimed curb weight | 245 lbs. |
| Colors | Blue/white, white/red |
| Available | Now |
| Warranty | na |
| Contact | Yamaha Motor Corp. USA
6555 Katella Ave.
Cypress, CA 90630
800.962.7926
www.yamaha-motor.com |
VERDICT: 4 out of 5 stars.
Radically different and high-tech, yet friendly enough for the average rider.