2017 Yamaha YZ450F

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First Impressions: 2017 Yamaha YZ450F

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, Read More »

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 Liquid-cooled DOHC Four-Stroke; 4 titanium valves
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
Price $8,699
More Info

​Yamaha.com

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