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2007 Yamaha YZ250 (discontinued)

Average User Rating: (Spectacular)
Discontinued
Vital MX Retail Partners:
Chaparral Motorsports MotoSport Rocky Mountain ATV/MC Motorcycle Superstore

Compare to other Bikes

Vital MX Retail Partners:
Chaparral Motorsports MotoSport Rocky Mountain ATV/MC Motorcycle Superstore

Specifications

Model Year 2007
Engine Type Liquid-cooled 2-stroke reed valve
Engine Displacement 249cc
Bore x Stroke 66.4 x 72mm
Compression Ratio 9.2 – 10.9:1
Fuel System PWK38S X 1
Ignition CDI
Transmission Constant mesh 5-speed/Wet, multiple-disc coil spring
Final Drive Chain Drive
Suspension Front Telescopic Fork, coil spring/oil damper, 11.8" Travel
Suspension Rear Swingarm (link, suspension), coil spring/gas-oil damper, 12.4" Travel
Brakes Front Hydraulic single disc brake, 224mm
Brakes Rear Hydraulic single disc brake, 219.8mm
Tires Front 80/100-21-51M
Tires Rear 110/90-19-62M
Overall Length 85.7"
Overall Width 32.6"
Overall Height 51.4"
Seat Height 39.1"
Wheelbase 58.3"
Ground Clearance 15.0"
Rake/Trail
Fuel Capacity 2.1 gal.
Curb Weight 211.6 lb.
Miscellaneous Key Features:
  • Our legendary two-stroke Supercross winner is more potent than ever.
  • Winner of "Cycle World", "Racer X" and "Motocross Action" shootouts.
  • A light, aluminum frame housing a patented YPVS™ power-valve-equipped ripper of an engine results in an awesome power-to-weight ratio.
  • Ready to race out of the crate, complete with new ProTaper aluminum handlebar, titanium footpegs, gripper seat and Excel rims.

New for 2007:

  • Modifying thickness of both inner and outer fork tubes and revising damping settings provides fantastic bump absorption and comfort while shaving weight.
  • Lightening the rear shock with aluminum /components takes off more weight, and revised settings complement the ones in the fork.
  • A light and strong ProTaper aluminum handlebar in adjustable mounts adds comfort and control.
  • A new jet needle in the 38mm Keihin PWK carburetor boosts bottom-end and mid-range response.
  • Use of lighter, box-head bolts throughout the chassis eases maintenance while reducing weight and increasing performance.

Engine:

  • 249cc liquid-cooled, reed valve-inducted two-stroke engine is lightweight, compact and features an incredibly wide, hard-hitting powerband.
  • Patented YPVS power valve system combines crisp, hard-hitting bottom-end acceleration with strong midrange and eye-opening top-end.
  • Special-design carbon fiber reed-valve pedals improve throttle response and engine performance across the entire rpm range.
  • Smooth-shifting, five-speed, close-ratio transmission with heavy-duty, multiplate clutch.
  • Primary kickstarter ensures smooth, easy starting action and reduced weight.
  • Large-capacity radiator features a ten-row core with four louvers for maximum cooling efficiency.
  • 38mm Keihin PWK carburetor with power jet and throttle position sensor (TPS) ensure precise fuel/air mixing and extra-crisp throttle response throughout the powerband.
  • Digital CDI ignition system delivers precise spark for faster, stronger response anywhere in the powerband.
  • Trick, works-style clutch lever features race-spec barrel adjuster for on-the-fly adjustability.

Chassis/Suspension:

  • A carefully engineered, advanced aluminum frame and swingarm give the YZ250 the best handling in the 250 class.
  • Speed-Sensitive System 48mm Kayaba fork tubes move the transfer control valves (TCV) above the fork springs, so that damping force is controlled by piston speed instead of position. Along with a bigger base valve hole, the result is a smooth ride and super-precise handling.
  • Removable aluminum rear subframe constructed of square-section tubing for reduced weight.
  • Rear, fully adjustable Kayaba shock features a super-light titanium shock spring and reduced-friction Kashima coating of 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 add up to fantastic rear wheel control and a sweet ride.
  • Lightweight front and rear calipers with aluminum pistons and anti-bubble front master cylinder, 250mm fully floating front and 245mm rear discs, deliver strong stopping power with progressive feel.
  • Lightweight 21-inch front and 19-inch rear Excel rims provide exceptional durability and help reduce unsprung weight for optimal suspension performance and handling.
  • Tapered rear wheel spacers ease sliding the rear wheel into place, for quicker tire changes.
  • Premium Dunlop knobbies offer race-spec traction and wear.

Additional Features:

  • Wide, cleated, folding titanium footpegs are lightweight and provide excellent comfort, grip and ground clearance.
  • Special-design “gripper” type seat and fuel tank, forward-canted steering crown and low handlebar provide excellent movement and more comfortable ergonomics for riders.
  • Wide-diameter fuel tank cap ensures easier usage, while larger tank opening means faster, hassle-free refueling.
  • Cleated rear brake lever and folding shift lever tip offer superb grip and exceptional durability.
  • Repackable exhaust silencer.
  • Durable, comfortable handlebar grips.
  • Stainless steel clutch cable for longer life.

2007 YZ450F

Key Features:

  • For 2007, the bike that started the four-stroke revolution benefits from significant chassis and engine refinements that ensure the five-titanium-valved YZ450F remains at the head of the open-class pack.
  • Modifications to the light and strong aluminum frame and suspension mean light, precise, confident handling at any speed.
  • Five-speed gearbox provides maximum flexibility and the right gear for a wide range of riding environments.
  • Ready to race straight out of the crate - with a ProTaper aluminum handlebar in adjustable clamps, titanium shock spring, ti footpegs, gripper seat, etc.

New for 2007:

  • Replacing the upper cast triple clamp with a light and strong forging, slightly reducing steering head rigidity, and the use of lighter outer fork tubes; lighter wheel rims and light wave-type brake rotors add up to super-accurate, super-responsive steering.
  • Increasing the length of the rear shock by 1.5mm further sharpens handling. Replacing steel damping adjusters with aluminum ones removes even more weight from the four-way adjustable, titanium-sprung rear suspension unit.
  • A more rigid clutch pressure plate helps put power to the ground and dissipates heat more efficiently, especially during partial-clutch operation. Shorter lever stroke with 12-percent reduced effort means instant response.
  • New, titanium exhaust pipe fattens low- and mid-range power while simultaneously adhering to 2007 AMA noise regulations.
  • This year's ProTaper aluminum handlebar bend raises the grips 8mm for an expanded cockpit. Forged bar clamps reduce weight for superior handling.

Engine:

  • 449cc five-valve DOHC liquid-cooled engine is super-powerful yet tractable.
  • 39mm Keihin FCR flat-slide carburetor with throttle position sensor (TPS) and leak jet delivers precise fuel/air mixture and instant throttle response.
  • Revised CDI ignition keeps that amazingly broad and deep powerband hard-hitting, yet controllable.
  • Lightweight, titanium valves and load-reduced springs minimize reciprocating mass for fast-revving, hard-hitting power delivery across the rev range.
  • Additional weight-saving engine features include: small-design cam chain tensioner and oil pump, aluminum oil hose, all-titanium exhaust header, flange, bracket and heat shield and light CDI ignition unit.
  • Primary kickstarting with automatic decompression and convenient handlebar-mounted hot start lever ensures easy restarts.
  • Kick pinion gear is separate from the primary driven gear for smoother clutch engagement.
  • Large-capacity radiator is reinforced for greater strength.

Chassis/Suspension:

  • Aluminum frame uses a mix of alloy casting, forgings and extrusions to produce a tuned-flex frame that makes the YZ the finest handling motocross bike ever.
  • Speed-Sensitive System 48mm Kayaba fork places transfer control valves (TCV) above the fork springs, so that damping force is controlled by piston speed; Eliminating mid-stroke damping force changes provides a smoother, more precise ride.
  • Titanium-sprung four-way adjustable rear shock with Kashina-coated internals reduces friction for fantastic compliance and great handling.
  • More weight savings come via two-piece (part aluminum, part plastic) engine protector plates and thin-walled engine guard construction.
  • Removable aluminum rear subframe constructed of square-section tubing for light weight and easy maintenance - lighter fasteners for 2007 enhance weight distribution and handling.
  • Lightweight front wheel hub for reduced unsprung weight and increased durability.
  • Premium Dunlop knobbies provide unbeatable, competition-spec traction and great wear.
  • Lightweight 21-inch front and 19-inch rear Excel rims are exceptionally durable and reduce unsprung weight.

Additional Features:

  • “Gripper” style seat cover gives excellent feel and control, and the seat is lighter for 2007.
  • Wide, cleated, folding titanium footpegs are light, strong, and provide excellent comfort, grip and ground clearance.
  • Works-style clutch lever features oversize barrel adjuster for easy, on-the-fly adjustability of lever/cable play.
  • Cleated rear brake lever and folding shift lever tip offer superb grip and excellent durability.
  • Repackable exhaust silencer.
  • Durable, comfortable handlebar grips.
  • Stainless steel clutch cable for longer life.
Price $6299.00
More Info
Vital MX Retail Partners:
Chaparral Motorsports MotoSport Rocky Mountain ATV/MC Motorcycle Superstore