MOTOCROSS

YZ65

Entry Level YZ

Technical Specs

  • Engine Type:  Liquid-cooled, 2-stroke, reed-valve
  • Displacement (cc): 64.8
  • Bore x Stroke (mm): 43.5 x 43.6
  • Compression Ratio: 8.1~9.6 : 1
  • Lubrication System: Premix
  • Fuel Management: Keihin Carburettor
  • Ignition:  CDI
  • Starter System:  Kick
  • Fuel Tank Capacity (L):  3.4
  • Final Transmission:  Chain
  • Transmission:  Constant mesh 6-speed

YZ85

85cc Small Wheel

Technical Specs

  • Engine Type:  Liquid-cooled, 2-stroke, with YPVS
  • Displacement (cc):  85.0
  • Bore x Stroke (mm): 47.5 x 47.8
  • Compression Ratio: 8.1~9.6 : 1
  • Lubrication System: Premix
  • Fuel Management: PWK28
  • Ignition:  CDI
  • Starter System:  Kick
  • Fuel Tank Capacity (L):  5.0
  • Final Transmission:  Chain
  • Transmission:  Constant mesh 6-speed

YZ85LW

85cc Large Wheel

Technical Specs

  • Engine Type:  Liquid-cooled, 2-stroke, with YPVS
  • Displacement (cc):  85.0
  • Bore x Stroke (mm): 47.5 x 47.8
  • Compression Ratio: 8.1~9.6 : 1
  • Lubrication System: Premix
  • Fuel Management: PWK28
  • Ignition:  CDI
  • Starter System:  Kick
  • Fuel Tank Capacity (L):  5.0
  • Final Transmission:  Chain
  • Transmission:  Constant mesh 6-speed

YZ125

125cc Lightweight 2-Stroke

Technical Specs

  • Engine Type:  Liquid-cooled, 2-stroke, reed valve
  • Displacement (cc): 125.0
  • Bore x Stroke (mm): 54.0 x 54.5
  • Compression Ratio: 8.6~10.7 : 1
  • Lubrication System: Premix
  • Fuel Management:  TMX 38
  • Ignition:  CDI
  • Starter System:  Kick
  • Fuel Tank Capacity (L):  8.0
  • Final Transmission:  Chain
  • Transmission:  Constant mesh 6-speed

YZ250

250cc Thoroughbred Racer

Technical Specs

  • Engine Type:  Liquid-cooled, 2-stroke, reed valve with YPVS
  • Displacement (cc): 249.0
  • Bore x Stroke (mm): 66.4 x 72.0
  • Compression Ratio: 8.9 ~ 10.6 : 1
  • Lubrication System: Premix
  • Fuel Management: PWK38S
  • Ignition:  CDI
  • Starter System:  Kick
  • Fuel Tank Capacity (L):  8.0
  • Final Transmission:  Chain
  • Transmission:  Constant mesh 5-speed

YZ250FSP

Monster Energy Yamaha Racing Edition

Technical Specs

  • Engine Type:  Liquid-cooled, 4-stroke, DOHC, 4-valve
  • Displacement (cc): 250.0
  • Bore x Stroke (mm): 77.0 x 53.6
  • Compression Ratio: 13.8 : 1
  • Lubrication System: Wet Sump
  • Fuel Management: Fuel Injection
  • Ignition:  TCI
  • Starter System:  Electric
  • Fuel Tank Capacity (L):  6.2
  • Final Transmission:  Chain
  • Transmission:  Constant mesh 5-speed

YZ450F

Big Bore MX Weapon

Technical Specs

  • Engine Type: Liquid-cooled, 4-stroke, SOHC, 4-valve
  • Displacement (cc):  449.0
  • Bore x Stroke (mm):  97.0 x 60.9
  • Compression Ratio:  13.0 : 1
  • Lubrication System: Wet sump
  • Fuel Management:  Fuel Injection
  • Ignition:   TCI
  • Starter System:  Electric
  • Fuel Tank Capacity (L):  6.2
  • Final Transmission:  Chain
  • Transmission: Constant mesh, 5 speed

YZ450FSP

Monstor Energy Yamaha Racing Editon

Technical Specs

  • Engine Type: Liquid-cooled, 4-stroke, SOHC, 4-valve
  • Displacement (cc):  449.0
  • Bore x Stroke (mm):  97.0 x 60.9
  • Compression Ratio:  13.0 : 1
  • Lubrication System: Wet sump
  • Fuel Management:  Fuel Injection
  • Ignition:   TCI
  • Starter System:  Electric
  • Fuel Tank Capacity (L):  6.2
  • Final Transmission:  Chain
  • Transmission: Constant mesh, 5 speed