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2026 Yamaha YZ250 70th Anniversary

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2026 Yamaha YZ250 70th Anniversary
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Overview

On the track or on the trail, the YZ250's exhilarating 250cc liquid-cooled engine provides an instant hit of power for holeshot-winning acceleration. It's industry-leading KYB® suspension offers outstanding handling, and the slim bodywork and flat seat ease rider movement when braking, accelerating and cornering.

 

Specifications
Model
YZ250
Category Name
Motorcycles
Year
2026
Sale Type
New
Manufacturer
Yamaha
Color
70th Anniversary
engine
Engine 2-stroke, liquid-cooled, crankcase reed-valve, single
Displacement 249 cc
Bore and Stroke 66.4 x 72 mm
Compression Ratio 8.9~10.6:1
Fuel Delivery Keihin PWK38S
Ignition / Starting CDI / Kick
Transmission Constant mesh, 5-speed
Final Drive Chain
chassis
Suspension (Front) Fully adjustable 48 mm inverted fork / 300 mm (11.8") wheel travel
Suspension (Rear) Fully adjustable link Monocross / 315 mm (12.4") wheel travel
Brakes (Front) 270 mm floating disc / twin piston caliper
Brakes (Rear) 240 mm disc / single piston caliper
Tires (Front) 80/100-21 Geomax MX33F
Tires (Rear) 110/90-19 Geomax MX33
highlights

2026 Yamaha YZ250 70th AnniversaryCLASS LEADING KYB® SUSPENSION

The YZ250's class-leading Speed Sensitive System 48mm inverted KYB® fork includes a leaf spring in the mid-speed valve for more precise damping and increased performance. The fully adjustable KYB® rear shock features reduced-friction Kashima Coat internals and adjustable high- and low-speed compression damping.

2026 Yamaha YZ250 70th AnniversaryEXHILIRATING 2 STROKE POWER

The 249cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and fun featuring the patented Yamaha Power Valve System (YPVS) for crisp response and an incredibly wide, hard-hitting powerband.

2026 Yamaha YZ250 70th AnniversaryConfidence-Inspiring Ergonomics

A carefully considered ergonomic design includes a flatter seat, narrow fuel tank, smoothly integrated body panels and slim shroud width to enable greater freedom of movement forward and back, allowing the rider to easily shift body weight for increased control and confidence.
critical data
Length 2,185 mm (86")
Width 825 mm (32.5")
Height 1,290 mm (50.8")
Wheelbase 1,485 mm (58.5")
Ground Clearance 360 mm (14.2")
Seat Height 970 mm (38.2")
Fuel Capacity 8 litres (1.8 imp. gallons)
Wet Weight 103 kg (227 lbs)
Colour(s) Yamaha Racing Blue
70th Anniversary
features and benefits

Key Features

  • Optimized rider ergonomics with a narrow tank, flatter seat and slimmer radiator shrouds offering greater freedom of movement
  • Advanced liquid-cooled YPVS-equipped 249cc two-stroke engine is lightweight, compact and fun, with a wide, hard-hitting powerband
  • Straight intake design improves feeling of power in the low rpm range
  • Advanced Hitachi Astemo® Keihin PWK38S carburetor with power jet and throttle position sensor provides extra-crisp throttle response
  • High performance brake setup features large front pistons, rigid caliper and rotors with maximized pad contact area for exceptional stopping power and feel.
  • Fully adjustable KYB® fork features the Speed-Sensitive System for precise handling and superb shock absorption
  • Fully adjustable KYB® rear shock features reduced-friction Kashima Coat™ internals
  • Race-proven, highly developed forged aluminum semi-double cradle frame
  • Removable aluminum rear subframe constructed of square-section tubing for reduced weight
  • Finely tuned lightweight chassis and advanced suspension endow the YZ250 with class-leading handling
  • Compact, liquid-cooled, 249 cc, piston-reed-valve-inducted, 2-stroke engine
  • Smooth shifting, 6-speed, close ratio transmission
  • Keihin PWK38S carb with 4-petal carbon fiber reeds
  • Yamaha's patented YPVS exhaust power valve system
  • Lightweight, aluminum, semi-double-cradle frame with detachable rear subframe
  • Fully adjustable KYB suspension
  • 270 mm front & 245 mm rear disc brakes
  • Adjustable aluminum handlebar & titanium foot pegs
  • Aggressive, modern styling

ENGINE

  • Lightweight, compact, liquid-cooled, 249cc, piston-reed-valve-inducted, 2-stroke.
    • super crisp, instant 'right now' engine power (when in the 'power band')
    • easy & economical to maintain, service & rebuild
  • Lightweight, flat top forged aluminum piston.
    • excellent durability
    • light weight means fast engine response
  • Liner-less, ceramic composite cylinder bore with ceramic coating sprayed directly on the aluminum block.
    • excellent heat dissipation
    • reduced weight (no heavy iron liner)
    • reduced friction
    • extended cylinder life
  • Lightweight, ball bearing style crank.
    • lightweight design for fast throttle response
    • friction reducing crank seals
  • YPVS power valve system features a total of three slides (one main and two auxiliary slides).
    • YPVS system varies the exhaust port height & timing based on engine rpm
    • provides the benefits of both solid, low rpm power delivery & strong top-end punch
  • Keihin PWK38S carburetor with power jet and throttle position sensor (TPS).
    • precise fuel - air mixing
    • extra-crisp throttle response throughout the powerband
  • Special-design, 4-petal, carbon fiber reeds.
    • excellent throttle response & engine performance across the entire RPM range
  • Smooth-shifting, 5-speed, close-ratio transmission.
    • ratios are matched to engine output for maximum performance
    • optimal hook-up for outstanding acceleration & corner-exiting power
    • transmission features 'involute splines' for smooth, positive shifting even under power
  • Heavy-duty, multi-plate clutch.
    • quick-access, outer clutch cover allows for fast, easy clutch maintenance
  • CD (capacitor discharge) ignition system.
    • delivers a precise spark for fast, sure starts
    • ensures optimal timing at all rpms for fast, strong response.
  • High capacity, washable, dual-stage, foam air filter.
    • excellent filtering qualities
    • reduces maintenance costs... foam filter is re-useable
  • Large-capacity, dual radiators feature 10-row cores.
    • maximum cooling efficiency
  • Lightweight exhaust system.
    • computer designed expansion chamber provides maximum engine performance
    • lightweight, aluminum silencer is re-buildable for optimum performance & reduced noise levels
  • Works-style clutch lever & race-spec 'barrel adjuster.'
    • light, easy lever pull
    • for on-the-fly clutch adjustments

CHASSIS/SUSPENSION

  • Lightweight, aluminum, semi-double-cradle frame.
    • combines with compact engine to provide an awesome power to weight ratio
    • obvious benefit of an aluminum frame is a significant weight reduction
    • Yamaha maintains the semi-double cradle design because it offers an excellent 'rigidity balance' between lateral & torsional rigidity while offering controlled flex in the longitudinal plane
    • result is a light aluminum frame, which provides excellent handling, good ride quality, excellent stability & responsive cornering performance
  • Removable rear subframe.
    • constructed of square-section, lightweight aluminum
    • detachable design allows easy access when servicing rear suspension components
    • reduces costs in the event of a loop out
  • Lightweight, tapered design aluminum swingarm.
    • produced by 'hydro forming', a forming method that uses high pressure water to form shapes
    • excellent rear wheel traction & control
    • lightweight design
  • Cast aluminum upper and forged lower triple clamps.
    • strong yet lightweight
    • fast, agile handling
  • Adjustable handlebar mounts.
    • allow handlebar to be moved 10mm rearward if desired
  • 'Speed Sensitive System' 48mm, adjustable, inverted, 'twin chamber' KYB fork. Front wheel travel is 300mm (11.8').
    • twin chamber design means the damper unit is in a separate structure which prevents aerated fork oil from entering the inner damper assembly & degrading its damping abilities
    • the inner damper is pressurized, it also eliminates bubbles forming in the oil
    • 'Speed Sensitive' design means the damping force is controlled by piston speed, not position in the fork
    • low friction fork seals provide reduced stiction for a smoother stroke
    • fork adjustments include: 20-way compression damping & 20-way rebound damping
    • optional fork springs are available through Genuine Yamaha parts
  • Fork also features a Transfer Control Valve (TCV).
    • TCV enhances damping from mid to full stroke & improves bottoming characteristics
    • TCV offers more precise control throughout the full suspension stroke
    • TCV is located on the upside of the spring & its function is controlled by piston speed, not piston position, hence the term 'Speed Sensitive System fork'
  • Large 'wrap-around' plastic fork protectors.
    • provide excellent protection from dirt, mud & stone chips
    • 'self-supporting' design reduces friction for smoother stroke
  • Monocross link rear suspension features a fully adjustable, Kayaba, piggyback shock which provides 315mm (12.4') of wheel travel.
    • features separate adjusters for high- and low-speed compression damping
    • adjustments include: spring preload, 20-way rebound damping, 20-way low-speed compression damping & 2 turns of high speed compression damping
    • damper rod is 18 mm in diameter
    • Kashima coating (friction reducer) is used in the shock body & sub tank to reduce friction & improve suspension performance
    • piggyback shock utilizes a full rebound oil lock system for excellent suspension function & great ride quality
  • 270 mm floating front 'wave-style' disc brake with Nissin twin piston caliper.
    • 'wave' style rotor (disc) reduces weight, improves cooling (more surface area) & improves styling
    • braking performance is excellent with great feel & control
  • 'Shorty' front brake lever is adjustable for various hand sizes.
  • 245 mm rear 'wave-style' disc brake with single piston caliper.
    • integrated master cylinder (fluid reservoir is integrated into the top of the master cylinder)
    • 'wave' style rotor (disc) reduces weight, improves cooling (more surface area) & improves styling
    • strong stopping power with excellent feel & control
  • Rugged, plastic rear caliper & lower rear disc protectors / guards.
  • Lightweight, Sun Star rear sprocket.
    • increases the contact area between the sprocket & chain rollers
    • reduces the load on the chain & increases service life of chain & sprocket
  • Lightweight, D.I.D. 21' front and 19' rear rims & premium Dunlop tires.
    • provide excellent durability
    • reduces unsprung weight for optimal suspension performance & handling
  • 'Flat-design' seat features multi density foam.
    • provides good initial softness / comfort and then increases the firmness as more pressure is applied
    • 'pebble' finish on the top and side surfaces provides excellent rider grip & durability
  • Seat, handlebar & fuel tank ergonomics provide excellent freedom of movement for the rider.

DETAILS

  • Iconic Heritage YZ Styling
    • Class-leading four-stroke performance wrapped in iconic heritage YZ style, the YZ250 50th Anniversary Edition draws its inspiration from 1990s-era Yamaha two-stroke motocrossers to honor 50 years of Yamaha off-road innovation.
  • Slim design, modern aggressive bodywork allows easy rider movements
  • Lightweight YZ250F/450F based wide footpegs provide excellent grip & ground clearance
  • Rugged chain guide helps prevent the chain from de-railing and also helps to protect the rear sprocket.
  • Serrated rear brake lever and folding shift lever tip
  • Stainless steel, inner clutch cable provides excellent strength, smooth action and long life
  • Heavy-duty chain
  • E10 friendly fuel system components

 

What Brand of Dirt Bikes Do You Carry?

At DeWildt Marine & Powersports, we only carry high-quality brands that you can rely on. That’s why we are pleased to bring you traditional and electric e-bike options from Yamaha, Honda, and Surron. When looking for a dirt bike for sale, we are certain to have the one for you.

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