2017 Yamaha YZ450F
(discontinued)

Discontinued
First Impressions: 2017 Yamaha YZ450F
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Vital Review

First Impressions: 2017 Yamaha YZ450F - More Motocross Videos

After a moderate amount of changes in 2016, the 2017 model received a very short list of updates. This includes new tires, going from Dunlop's MX52 to the MX3S, new airbox mold better hide the zeus fasteners, and few internal engine parts that were updated for reliability.

This isn't too surprising after Yamaha added new intake and exhaust cams, improved ECU settings, an updated frame, lower footpegs mounts, a new triple clamp offset, and more to the 2016 model. A few of which made their way to the YZ250F, which gained most of the attention for 2017.

To learn more about the 2016 changes, head here - First Look: 2016 Yamaha YZ450F.

For a list of the improved parts in 2017, click here - First Look: 2017 Yamaha YZ450F.

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Specifications

Product
Yamaha YZ450F
Model Year
2017
Engine Size
450cc
Engine Type
Four-Stroke
Engine Displacement
449cc
Bore x Stroke
97.0mm × 60.8mm
Compression Ratio
12.5:1
Fuel System
Keihin® fuel injection, 44mm
Ignition
TCI: Transistor Controlled Ignition
Transmission
Constant-mesh 5-speed; multiplate wet clutch
Final Drive
Chain
Suspension Front
KYB® Speed-Sensitive System inverted fork; fully adjustable, 12.2-in travel
Suspension Rear
KYB® single shock; fully adjustable, 12.4-in travel
Brakes Front
Hydraulic disc, 270mm
Brakes Rear
Hydraulic disc, 245mm
Tires Front
80/100-21 Dunlop® MX3S®
Tires Rear
120/80-19 Dunlop® MX3S®
Overall Length
85.8 in
Overall Width
32.5 in
Overall Height
50.4 in
Seat Height
38.0 in
Wheelbase
58.3 in
Ground Clearance
13.0 in
Rake/Trail
Rake: 27.25° / Trail: 4.6 in
Fuel Capacity
2.0 gal
Curb Weight
247lbs with fuel and fluids
Features
 
Miscellaneous
Liquid-cooled DOHC; 4 titanium valves
Price
$8,699.00
More Info
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