| General |
|
Year
|
2015
|
2015
|
|
Manufacturer
|
Yamaha
|
Yamaha
|
|
Model Name
|
YZ450F
|
YZ450F
|
|
Trim Name
|
Base
|
Base
|
|
Generic Type (Primary)
|
Off-Road
|
Off-Road
|
| Engine |
|
Engine Type
|
449.7cc liquid-cooled DOHC 4-stroke; 4 titanium valves
|
449.7cc liquid-cooled DOHC 4-stroke; 4 titanium valves
|
|
Bore
|
97.0 mm
|
97.0 mm
|
|
Stroke
|
60.8 mm
|
60.8 mm
|
|
Compression Ratio
|
12.5:1
|
12.5:1
|
|
Fuel System
|
Yamaha Fuel Injection (YFI), Keihin® 44mm
|
Yamaha Fuel Injection (YFI), Keihin® 44mm
|
|
Ignition
|
TCI: Transistor Controlled Ignition
|
TCI: Transistor Controlled Ignition
|
|
Transmission
|
Constant-mesh 5-speed; multiplate wet clutch
|
Constant-mesh 5-speed; multiplate wet clutch
|
|
Final Drive
|
Chain
|
Chain
|
| Chassis |
|
Frame Type
|
|
|
|
Front Suspension
|
KYB® Speed-Sensitive System, inverted fork: fully adjustable, 12.2-in travel
|
KYB® Speed-Sensitive System, inverted fork: fully adjustable, 12.2-in travel
|
|
Rear Suspension
|
Monoshock, adjustable preload and rebound damping, 7.5-in travel
|
Monoshock, adjustable preload and rebound damping, 7.5-in travel
|
|
Front braking system
|
Hydraulic single disc brake, 250mm
|
Hydraulic single disc brake, 250mm
|
|
Rear braking system
|
Hydraulic single disc brake, 245mm
|
Hydraulic single disc brake, 245mm
|
|
Front Tire
|
80/100-21 Dunlop® MX52-FA
|
80/100-21 Dunlop® MX52-FA
|
|
Rear Tire
|
120/80-19 Dunlop® MX52
|
120/80-19 Dunlop® MX52
|
|
Wheels
|
|
|
| Dimensions |
|
Length
|
85.6 in.
|
85.6 in.
|
|
Width
|
32.5 in.
|
32.5 in.
|
|
Height
|
50.8 in.
|
50.8 in.
|
|
Seat Height
|
38.4 in
|
38.4 in
|
|
Ground Clearance
|
13.2 in
|
13.2 in
|
|
Wheelbase
|
58.3 in
|
58.3 in
|
|
Rake (steering head) (deg)
|
|
|
|
Fuel Capacity
|
2.0 gal
|
2.0 gal
|
|
Curb Weight
|
245 lb
|
245 lb
|
| Other |
|
Warranty
|
30 Day (Limited Factory Warranty)
|
30 Day (Limited Factory Warranty)
|
|
|
|
|
