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Yamaha YZ250 Specifications

• Yamaha YZ250 MSRP: $6,199
• 
  Yamaha YZ250 Engine:
• Type: 249cc, liquid-cooled, reed valve-inducted, 2-stroke
• Bore x Stroke: 66.4 x 72mm
• Compression Ratio: 9.1 — 10.6:1
• Carburetion: 38mm Keihin PWK w/power jet & throttle position sensor
• Ignition: Digital CDI
• Transmission: 5-speed w/multi-plate wet clutch
• Final Drive: #520 Chain

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• Yamaha YZ250 Chassis:
• Suspension/Front: 48mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping; 11.8" travel
• Suspension/Rear: Kayaba single shock w/adjustable preload, compression and rebound damping separate hi/lo-speed compression adjusters;12.4" travel
• Brakes/Front: 250mm Floating Disc
• Brakes/Rear: 245mm Disc
• Tires/Front: 80/100-21-51M Dunlop
• Tires/Rear: 110/90-19-62M Dunlop
• 
  Yamaha YZ250 Dimensions:
• Length: 85.7"
• Width: 32.6"
• Height: 51.4"
• Seat Height: 39.1"
• Wheelbase:: 58.3"
• Ground Clearance: 15.0"
• Rake (Caster Angle): 26.9º
• Trail: 4.53"
• Dry Weight: 211 Lbs.
• Fuel Capacity: 2.1 Gallons
• 
  Yamaha YZ250 Other:
• Main Jet: #178
• Main Air Jet: #200
• Jet Needle: N3EJ
• Needle Jet: 2.9
• Pilot Air Jet 1: #50
• Pilot Outlet: 0.8
• Pilot Jet: #50
• Primary Reduction Ratio: 63/21 (3.000)
• Secondary Reduction Ratio: 50/14 (3.571)
• Gear Ratio - 1st Gear: 27/14 (1.929)
• Gear Ratio - 2nd Gear: 23/15 (1.533)
• Gear Ratio - 3rd Gear: 23/18 (1.278)
• Gear Ratio - 4th Gear: 24/22 (1.091)
• Gear Ratio - 5th Gear: 20/21 (0.952)
• Gear Ratio - 6th Gear: Not Applicable
• Warranty: 30 Day (Limited Factory Warranty)

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