TOP FEATURES
1. Modern Styling
Modern, aggressive styling, including front fender, front number plate, radiator shrouds, side number plates, air box, rear fender, fork guards, as well as the rear brake disc protector, rear brake caliper protector and wider foot pegs—just like the 4-strokes.
2. Lightweight Frame
A light aluminum frame housing a patented YPVS™-equipped ripper of an engine results in an awesome power-to-weight ratio.
3. Rider- Friendly Chassis
Ultra light weight means nimble handling with less fatigue.
4. New 270mm Front Brake
Larger 270mm front disc brake coupled with new pad material offers outstanding machine control and performance, with exceptional stopping power and controllability.
FEATURES & BENEFITS
NEW FOR 2017:
New Front Brake
New 270mm front disc brake (up from 250mm) also features a new brake pad material for exceptional stopping power and control for aggressive corner entries
ENGINE
Two-Stroke Power
249cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and features an incredibly wide, hard-hitting powerband.
Yamaha Power Valve System
Patented YPVS™ combines crisp, hard-hitting bottom-end acceleration with strong midrange and eye-opening top-end.
Advanced Carburetion
38mm Keihin® PWK carburetor with power jet and throttle position sensor (TPS) provides precise fuel/air mixing and extra-crisp throttle response throughout the powerband.
Race-Developed Intake
Special-design carbon fiber reed-valve petals improve throttle response and engine performance across the entire rpm range.
Close-Ratio Transmission
Smooth-shifting, five-speed, close-ratio transmission with heavy-duty, multiplate clutch.
High-Capacity Radiator
Large-capacity radiator features a ten-row core with four louvers for maximum cooling efficiency.
Digital Ignition
Digital CDI system delivers precise spark for faster, stronger response anywhere in the powerband.
CHASSIS/SUSPENSION
New 270mm Front Brake
New 270mm front brake system is a huge 20mm larger than the disc fitted to the 2016 YZ250 and uses an all-new pad material for exceptional stopping power and braking control.
Industry-Leading Fork
The KYB® 48mm forks feature the Speed-Sensitive System that uses piston speed to control damping force for super-precise handling and a smooth ride.
Aluminum Frame
A carefully engineered, advanced aluminum frame and swingarm give the YZ250 the best handling in the 250 class.
Lightweight Subframe
Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
Advanced KYB® Shock
Fully adjustable KYB® shock features reduced-friction Kashima Coat™ internals, 12.4 inches of travel, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for increased comfort. All adding up to fantastic rear wheel control and a sweet ride.
Excel® Rims
Lightweight 21-inch front and 19-inch rear Excel® rims provide exceptional durability and help reduce unsprung weight for optimal suspension, performance, and handling.
Race-Ready Tires
Premium Dunlop® knobbies offer race-spec traction and wear.
ADDITIONAL FEATURES
Race-Ready Features
The YZ250 is ready to race out of the crate, complete with an aluminum handlebar, 2-position adjustable handlebar clamp, wide foot pegs, gripper seat and adjustable clutch lever with works-style cable adjuster.
SPECIFICATIONS
Engine Type: 249cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke: 66.4mm × 72.0mm
Compression Ratio: 8.9~10.6:1
Fuel Delivery: Keihin® PWK38S
Ignition: CDI
Transmission: Constant-mesh 5-speed; multiplate wet clutch
Final Drive: Chain
Suspension / Front: KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-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® MX52
Tires / Rear: 110/90-19 Dunlop® MX52
L x W x H: 85.7 in x 32.6 in x 51.4 in
Seat Height: 39.1 in
Wheelbase: 58.3 in
Rake (Caster Angle): 27.7°
Trail: 4.8 in
Ground Clearance: 14.2 in
Fuel Capacity: 2.1 gal
Wet Weight***: 227 lb
Warranty: 30 Day (Limited Factory Warranty)
Color: Team Yamaha Blue
Manufacturer's Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer.
*** 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.
Specifications subject to change without notice. This document contains many of Yamaha's valuable trademarks. It may also contain trademarks belonging to other companies. Any references to other companies or their products are for identification purposes only, and are not intended to be an endorsement. © 2016 Yamaha Motor Corporation, U.S.A. All rights reserved.
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