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2027 YFZ450R

KEY FEATURES

ENGINE

449cc High-Revving Engine

High-tech, quick-revving 449cc fuel-injected engine delivers proven championship-winning power.

Five Valve Cylinder Head

Five-valve cylinder head and titanium valve technology provide strong mid-range and top-end power.

Impressive Power Output

The camshaft contributes to the engine's impressive power output from off the line to the top-end.

High-Compression Performance Engine

High-compression ratio contributes to overall podium-dominating engine performance.

Yamaha Fuel Injection

Yamaha Fuel Injection (YFI) delivers consistent engine performance and smooth power throughout the rev range.

Optimal Throttle Body Injector

A 42mm Mikuni® throttle body and 12-hole injector provide maximum power output with exceptional fuel atomization.

Easy, Reliable Start-Ups

The system includes ISC (Idle Speed Control) for easy and reliable start-up and warm-up.

Competition Grade Crankshaft

The crankshaft is engineered for the aggressive demands of competition while the counterbalancer reduces vibration.

Centralized Mass Crankcase Design

The crankcase houses the oil tank to centralize mass for exceptional handling while simplifying maintenance.

Assist-and-Slipper Clutch

Assist-and-slipper clutch reduces lever effort while increasing clutch plate pressure for positive engagement.

Reduced Engine Braking

The clutch system reduces engine braking for faster cornering, especially while downshifting.

CHASSIS/SUSPENSION

Competition-Ready Chassis

The YFZ450R's motocross-ready chassis is built for turn-key competition-ready performance.

Lightweight Aluminum Frame

Professional-caliber frame is crafted from lightweight weldless aluminum with a tension-steel bottom frame.

Low-Sitting Engine

Steel frame member under the engine adds strength and allows the engine to sit low and optimize mass centralization.

Aluminum Frame

The aluminum frame section is bolted rather than welded providing excellent durability and long-term reliability.

Optimized A-Arms

Narrow A-arm mounting points increase A-arm length and reduce camber changes through suspension travel.

KYB Front Shocks

Fully adjustable front KYB® shocks provide excellent bump absorption and bottoming resistance.

Kashima Coated Front Shocks

Kashima-coated front shocks offer smooth operation with 9.8 inches of wheel travel ready for the track.

Adjustable KYB Rear Shock

Fully adjustable 46mm KYB® piggyback rear shock with 11 inches of wheel travel delivers excellent handling.

Aluminum Swingarm

Competition-tested rear swingarm is crafted from strong gravity-fed aluminum matched to the KYB® rear shock.

Competition-Level Braking

Dual hydraulic front discs and wave-style hydraulic rear disc brakes deliver high-performance that's ready for competition.

Ideal-Cornering Width

Next level cornering capability with motocross-spec width, enhancing sliding over rough, flat turns.

Lightweight Wheels

Lightweight wheels provide strength and rigidity thanks to an inner lip rolled-in design.

Radial Maxxis Tires

Proprietary Maxxis radial tires provide excellent traction in a variety of terrain and soil conditions with a precise steering-feel and balanced sliding character.

Ergonomic Bodywork

Open riding position with smooth contact points for optimized body positioning when riding in a variety of terrains and rider preferences.

Distinctive Seat Shape

The YFZ450R's seat enhances rider ability and comfort when cornering on the track or trail.

Toolless Body Panel Removal

All body panels can be removed with 1/4-turn toolless quick-release fasteners for easy maintenance and service access.

ADDITIONAL FEATURES

Aggressive Competition Styling

Aggressive styling gives the YFZ450R the looks to match its competition-dominating performance.

Comfort-Focused Handlebar

A large-diameter, four-way adjustable tapered handlebar reduces vibration for comfortable steering.

Adjustable Handlebar Positioning

Riders can select between standard, 10mm forward, 20mm forward or 10mm backward handlebar positioning.

Low Effort Throttle Lever

The throttle lever requires minimal effort, helping reduce fatigue through long motos.

Wide Foot Pegs

The generous 2.6-inch-wide foot pegs build confidence when standing on the pegs.

LED Display

LED display provides essential vehicle information including low fuel, coolant temperature, check engine, and neutral gear indicators.

*Manufacturer's Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer.
**Fuel Economy is estimated.
***Wet weight includes the vehicle with all standard equipment and all fluids, including oil, coolant (as applicable) and a full tank of fuel. It does not include the weight of options or accessories. Wet weight is useful in making real-world comparisons with other models.