YTZ250

Yamaha YTZ250 Produced from 1985 to 1986

• Engine Type: 246cc, liquid-cooled, single-cylinder, 2-stroke
• Bore x Stroke: 68.0 mm x 68.0 mm (Perfectly “square” engine configuration)
• Compression Ratio: 7.7:1
• Induction: Reed-valve torque induction with Yamaha Energy Induction System (YEIS)
• Fuel Management: 32mm Mikuni carburetor
• Cooling System: Liquid-cooled with a radiator integrated into the front chassis/shrouds
• Power Output: Approx. 32.9 horsepower
• Starting System: Kick-start (Primary kick-start mechanism)
• Transmission:
  • 1985 Model (YTZ250N): 5-speed manual clutch
  • 1986 Model (YTZ250S): 6-speed manual clutch
• Final Drive: Chain

• Front Suspension: 39mm telescopic air-adjustable forks; 10.0 inches (254 mm) of wheel travel
• Rear Suspension: Adjustable De Carbon monoshock; 9.3 inches (236 mm) of wheel travel
• Front Brakes: Hydraulic disc brake
• Rear Brakes: Hydraulic disc brake
• Dry Weight: 294 lbs (133.3 kg)
• Fuel Capacity: 2.6 US gallons (9.8 litres)
• Wheelbase: 52.4 inches (1,331 mm)
• Seat Height: 29.7 inches (754 mm)