2019 Yamaha YZ 250F - JUST IN!

Stock #00827

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  • Status:
  • Vehicle:
    2019 Yamaha YZ
  • Fuel Type:
  • Engine:
    250cc, 4-Stroke, single cylinder DOHC, 4 valve, Single-Cylinder
  • Transmission:
  • Stock Number:
  • Location:
    J&B Cycle

Standard Equipment


  • Front Brake Diameter (in):
  • Front Brake Diameter (mm):
  • Front Brake Type:
    Hydraulic Disc
  • Rear Brake Diameter (in):
  • Rear Brake Diameter (mm):
  • Rear Brake Type:
    Hydraulic Disc


  • Bore (in):
  • Bore (mm):
  • Carburetion Brand:
  • Carburetion Type:
    Fuel Injected
  • Compression Ratio:
  • Cooling:
  • Cylinders:
  • Displacement (cc):
  • Displacement (ci):
  • Engine Stroke:
  • Engine Type:
  • Fuel Injector Size (mm):
  • Fuel Injector:
  • Fuel Requirements:
  • Fuel Type:
  • Starter:
  • Stroke (in):
  • Stroke (mm):
  • Valve Configuration:
  • Valves Per Cylinder:
  • Valves:


  • Body Material:
  • Chain Guard:
  • Chassis Protectors:
  • Foot Peg Location:
  • Fork Guards:
  • Frame:


  • Number Of Seats:
  • Seat Height (in):
  • Seat Height (mm):
  • Seat Location:
  • Seat Material:
  • Seat Type:


  • Steering Control:


  • Front Adjustable Fork Pre-Load:
  • Front Adjustable Rebound Damping:
  • Front Suspension Brand Name:
  • Front Suspension Type:
    Inverted Fork
  • Front Travel (in):
  • Front Travel (mm):
  • Number Rear Shock Absorbers:
  • Rear Adjustable Rebound Damping:
  • Rear Adjustable Shock / Spring Pre-Load:
  • Rear Suspension Brand Name:
  • Rear Suspension Material:
  • Rear Suspension Type:
    Twin Sided Swing Arm
  • Rear Travel (in):
  • Rear Travel (mm):


  • Engine Displacement to Weight (cc):
  • Fuel Capacity (gal):
  • Fuel Capacity (l):
  • Ground Clearance (in):
  • Ground Clearance (mm):
  • Height (in):
  • Height (mm):
  • Length (ft):
  • Length (ft/ft):
  • Length (ft/in):
  • Length (in):
  • Length (mm):
  • Wet Weight (kg):
  • Wet Weight (lbs):
  • Wheelbase (in):
  • Wheelbase (mm):
  • Width (in):
  • Width (mm):


  • Number Of Speeds:
  • Primary Drive (Rear Wheel):
  • Transmission Type:


  • Warranty (Condition):
    As Is


  • Chromed:
  • Front Tire (Full Spec):
    Bridgestone® 80/100 R21
  • Front Tire Aspect Ratio:
  • Front Tire Speed Rating:
  • Front Tire Width:
  • Front Wheel Diameter:
  • Rear Tire (Full Spec):
    Bridgestone® 100/90 R19
  • Rear Tire Aspect Ratio:
  • Rear Tire Speed Rating:
  • Rear Tire Width:
  • Rear Wheel Diameter:
  • Tire Brand:
  • Tube / Tubeless:
  • Wheels Composition:

NEW FOR 2019

  • Yamaha Power Tuner app
  • Electric starter system
  • New higher-compression piston
  • New intake and exhaust valving
  • Engine map selector switch with two maps
  • More than 15 engine upgrades
  • New frame shape and dimensions
  • Updated suspension settings
  • New seat shape
  • New lightweight rims
  • New cooling system


  • Yamaha Power Tuner app
  • Electric start
  • Revolutionary reversed engine design with front-mounted FI system and rear-exiting exhaust
  • Mass centralizing rearward-slanted-cylinder helps keeps weight centred in the chassis
  • Compact aluminum bilateral beam frame and aluminum swingarm
  • Industry-leading, fully adjustable KYB "SSS" fork and Monocross rear suspension
  • 270 mm front and 245 mm rear disc brakes
  • Adjustable, tapered aluminum handlebar


  • The updated, fuel-injected engine delivers outstanding engine character with a focus on top-end power delivery.
  • "Reversed" liquid-cooled, 250cc, DOHC, 4-valve (titanium), single-cylinder engine with fuel injection.
    • excellent "ride ability and controllability"
    • broad power from low rpms right through to high rpm with excellent power characteristics
  • Rearward slanted, reversed cylinder design.
    • rearward slant moves a significant amount of rotating weight toward the centre of the chassis, centralizing mass for light, agile handling
    • cylinder angle reduced one degree to 5.2 degrees to accommodate new frame
  • "Reversed" engine design (FI system is front mounted, exhaust exits from rear of cylinder).
    • FI throttle body and air box are front mounted, providing a straight downdraft intake path
    • straight shot intake path provides optimum fuel / air / exhaust flow for excellent power
    • front mounted intake keeps fuel cooler since engine heat has less effect on incoming fuel (cooler fuel is more dense and increases power)
    • design also helps centralize mass for light, agile handling
  • 4-valve cylinder head features a 13.8:1 compression ratio.
    • 4-valve design offers optimum flow and excellent power
    • compact combustion chamber provides optimum combustion speed while also reducing heat and power losses
    • revised shape increases mid-to-high-rpm power
  • Lightweight titanium valves.
    • valve, valve spring and lifter dimensions revised for mid-to-high-rpm output
    • 31 mm titanium intake and 25 mm titanium exhaust valves with load reduced valve springs
    • load reduced valve springs reduce internal power losses
    • titanium valves reduce weight and improve performance... titanium valves are 40 to 45 % lighter than steel valves
    • reduced valve weight improves valve train reliability and longevity
    • reduced reciprocating weight allows for a higher rpm limit and better control of the valves
  • Automatic cam chain tensioner.
    • reduces maintenance and mechanical engine noise
    • special cam chain "sliders" reduce internal friction losses
    • new compression ring stabilizes chain flutter
    • new chain guide material better absorbs impact of chain
  • High lift intake and exhaust camshafts.
    • strong power with excellent "control-ability"
    • hollow design reduces weight
    • revised cam profile improves mid-to-top-range power
  • "Liner-less" lightweight aluminum cylinder features a ceramic composite coating applied directly to the aluminum block.
    • ceramic coating sprayed directly on aluminum block, eliminating the need for a heavy liner and therefore reducing weight
    • excellent heat dissipation for consistent power delivery
    • coating enhances the thin film of oil between cylinder and piston, reducing friction and increasing power
  • Cylinder "cutaways" allow air "trapped" under the piston to enter a special side chamber (cutaway).
    • reduces horsepower-robbing "pumping losses"
  • Light, rewoked crankcase
    • number of crankcase bolts, bolt length and gasket material reduced for weight reduction
    • "cutaways" reduce horsepower-robbing "pumping losses"
    • crankcase cutaways match cylinder cutaways for maximum efficiency
  • Lightweight, short-skirt, forged aluminum piston with bridge-box design.
    • flat-top piston with lateral ribs on both sides of the piston pin area for strength and durability
    • single compression ring and specially designed oil control ring increases the surface contact area for better sealing
    • 2-ring design decreases sliding resistance, reduces weight and provides faster throttle response
  • Lightweight piston pin with diamond like coating (DLC).
    • reduces internal friction
  • Piston oil cooler jet nozzle directs oil to the desired portion of the cylinder and underside of piston.
    • reduces piston, cylinder and rod temperatures for excellent durability
  • Ball bearing style crankshaft.
    • heat treated for strength and durability
    • balance ratio of the crank has been optimized to reduce vibration
  • Nickel-chromium-molybdenum connecting rod.
    • excellent strength and durability
    • molybdenum coated thrust washers on either side of the rod to reduce friction
  • Lightweight gear driven counter balancer shaft.
    • reduces vibration for improved rider comfort and less rider fatigue
    • setting modified for 2019 for improved power feel
  • 5-speed transmission utilizes a 2-bar, floating shift guide system and a 14 mm shift shaft.
    • gears ratios are matched to engine power
    • floating shift guide system provides smooth, positive shifts
    • 14 mm shift shaft provides good durability in the event of a crash
    • new lightweight gears and selector drum
    • gears, dogs and shift mechanisms designed for smooth gear changes and improved durability
  • Heavy-duty, clutch with quick access magnesium outer cover and on the fly "barrel" adjuster.
    • larger-diameter clutch for 2019 boosts reliability in high-heat conditions
    • number of plates reduced for extended lifespan and improved feel
    • quick access, lightweight, magnesium outer cover provides fast and easy clutch access
    • light lever pull for reduced hand fatigue during a long moto
    • works-style lever mounted "barrel adjuster" for on-the-fly clutch lever free play adjustments
  • New advanced 44mm Mikuni throttle body fuel injection system.
    • high-pressure electric fuel pump feeds a new 12-hole Denso injector for optimial fuel atomization and air/fuel calibration, improving rideability
    • new, compact throttle body is 12% lighter than previous unit
    • FI benefits include automatic adjustments to insure the optimum fuel/air ratio regardless of outside air temperature and altitude
    • other benefits include excellent starting and instant throttle response
    • cold start knob also doubles as an idle adjuster
  • Injector spray pattern, spray direction and distance to the intake valves have been optimized.
    • forward mounted straight intake tract maximizes benefits of the FI system and improves power output
  • Exclusive Power Tuner app.
    • Groundbreaking technology brings the power of the GYTR Power Tuner to your iOS or Android device
    • onboard wifi allows adjustment of air/fuel mixture and ignition timing maps based on track conditions
    • record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more
    • CCU is adopted to accommodate new Power Tuner
  • New Electric Starter System.
    • compact, electric starter system minimizes restart delays on track
    • powered by a high-capacity, ultra-lightweight, four-cell lithium-ion battery for minimal weight
    • kick starter is removed for reduced weight
  • Two-mode adjustable engine mapping.
    • engine character can be adjusted with the push of a button
  • Forward-mounted airbox with features a washable, dual-stage, foam air filter.
    • new clip-type fastener reduces maintenance time
    • no tools required to access air filter
    • washable foam filter reduces tune up costs
    • new filter cover with Dzus fastener provides tool-free access
  • Wet sump lubrication system with "cartridge-type" oil filter
    • reduces weight (no remote oil tank or oil lines)
    • oil volume is optimized to reduce oil related drag and weight
    • fast and easy oil changes
  • New compact, lightweight, single-core, dual radiators.
    • larger and relocated radiators improve cooling during tough race conditions
  • New impellor and water pump.
    • structure and pump shape changed to reduce stone chip damage and improve durability in race conditions
  • Maintenance-free transistor controlled ignition (TCI).
    • produces a strong spark for fast starts
    • provides precise ignition timing / mapping for optimum engine performance at all rpms
  • Updated wrap-around exhaust.
    • exhaust exits from the rear of the engine and circles cylinder body
    • wrap-around design ensures the optimum tuned header length
    • design maximizes exhaust "pulse effect" for excellent power delivery
    • centralizes mass by moving weight closer to the centre of the chassis
    • shape change for 2019 improves power and feel
    • new muffler shape
  • New Lightweight, aluminum, re-packable muffler (aka silencer).
    • sound output is 94 dB meeting CMRC and AMA regulations
    • muffler is re-buildable for optimum performance and reduced noise levels
  • Special "G" sensor system.
    • shuts down fuel injection system if bike lies on its side for more than 10 seconds
    • no special procedure to re-start the bike... just kick it and go
    • helps prevent costly engine damage


  • Compact bilateral beam aluminum frame.
    • new frame and engine for 2019
    • larger upper frame bracing improves rigidity and durability
    • wider rear frame spars and new engine mounts centralize mass and improve bump absorption, stiffness and feeling of grip
    • frame offers an optimum rigidity balance between strength, rigidity and tuned flex, plus excellent shock absorbing qualities
    • frame design provides excellent "rider ? machine communication"(a.k.a. feedback)
    • key goal of this chassis design is faster and easier cornering ... one of the keys to winning races
  • Lightweight, tapered aluminum swingarm.
    • lightweight design reduces unsprung weight for excellent suspension performance
    • excellent rear wheel traction and control
    • large 25 mm rear axle
    • optimized axle shaft collar shape improves feeling of traction
  • Lightweight detachable rear sub frame.
    • constructed of square-section, lightweight aluminum pipe with no bends
    • allows easy access when servicing rear suspension components
    • reduces costs in the event of damage
  • 48mm, adjustable, inverted, , KYB coil spring-type fork offers 310 mm (12.2 in) of wheel travel.
    • speed-sensitive damping (SSS) provides exceptional balance between handling and bump absorption
    • front fork adjustments include: 20-way compression damping and 20-way rebound damping
    • inner tubes feature a special friction reducing coating for reduced stiction
    • 22 mm front axle
    • front axle bracket and shaft collar optimized for improved sense of traction
    • optional fork springs are available through Genuine Yamaha parts
  • Fork features a twin-chamber, "Speed Sensitive System" (SSS) design
    • damper unit is in a separate structure (completely separate air and oil chambers)
    • helps prevent aerated fork oil from entering the inner damper assembly and degrading its damping abilities
    • since the inner damper is pressurized; it also eliminates bubbles forming in the oil
  • Fork features a Transfer Control Valve (TCV).
    • TCV enhances damping from mid to full stroke and improves bottoming characteristics
    • TCV offers more precise control throughout the full suspension stroke
    • TCV is located on the upside of the spring and 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 lower fork tube protection
    • "self-supporting" design reduces friction for smoother fork operation
  • 4-position adjustable, tapered aluminum holders offer a total of 4 different handlebar positions with an adjustment range of 30mm.
    • suits wide variety of rider sizes
    • mounts are rubber-mounted for reduced vibration and improved rider comfort
    • handlebar weight reduced by 111.5 g
  • Fully adjustable KYB link rear suspension with 315 mm (12.4 in) of wheel travel.
    • revised damping characteristics match new chassis
    • updated internal shock valving
    • lightweight spring is adopted
    • separate adjusters for high- and low-speed compression damping
    • shock is in line with the center axis of the frame for excellent control
    • shock adjustments include: threaded spring preload, low-speed compression damping, high speed compression damping and rebound damping
  • 270 mm floating front "wave-style" disc and compact Nissin twin-piston caliper.
    • wave disc design reduces weight and improves cooling (wave design offer more surface area for better cooling)
    • "shorty-style" adjustable front brake lever can be adjusted to fit various hand sizes
    • high-friction brake pads with aggressive pad material
    • excellent braking performance
  • 245 mm rear disc brake uses a "wave-style" disc and single piston Nissin caliper and master cylinder.
    • wave disc (same as on the YZ450F) design reduces weight and improves cooling (wave design offer more surface area for better cooling)
    • rear caliper and lower portion of the wave style disc are protected by heavy duty plastic protectors
  • Lightweight, plastic resin 6.2-litre fuel tank is located under the seat.
    • tank capacity reduced by 1.3 litres for weight reduction
    • low centre of gravity and centralized mass for exceptional handling performance
    • tank can be flipped on its back without disconnecting fuel line (for servicing under the tank)
    • compact in-tank electric fuel pump
  • Compact body work.
    • new bodywork from tip to tail
    • lightweight look and feel
    • narrow design makes knee grip more comfortable and improves feeling of control
    • minimal design aids in keeping the body looking good (less plastic to scratch or damage)
    • graphics are impregnated directly into the plastic rad shrouds and will not peel off or get damaged by pressure washing
  • Flat seat design.
    • flatter seat enhances rider movement
    • narrower seat improves knee grip feeling
    • features a "cap cover" to access the fuel cap
  • Rugged Excel rims.
    • excellent durability and strength
    • reduced unsprung weight equals optimal suspension performance and handling
    • computer-aided refinement of cross-sectional profile shaves weight without sacrificing durability
    • front rim size is 1.60 x 21"; rear is 1.85 x 19"
    • rear hub features second bearing on sprocket side for increased rigidity and durability
    • Bridgestone Battlecross tires


  • Convenient oil level sight glass
  • Lightweight, extra wide foot pegs
  • Folding shift lever tip
  • Lightweight chain guide / support helps reduce chance of chain derailment and helps protect rear sprocket
  • Lightweight battery bracket
  • Heavy duty rubber swingarm protector (chain)
  • Gold, heavy-duty DID 520 chain
  • Clutch cable features integrated silicone grease and Teflon liner for smooth cable operation
  • Easy access GYTR Power Tuner and Yamaha Diagnostic tool connectors

J&B Cycle
950 Riverside Dr.
Timmins, ON P4N 3W2