CDI digital; push-button electric start, backup kick starter
Transmission
Constant-mesh 4-speed; multiple wet clutch
Final Drive
Chain
Suspension Front
Telescopic fork, 31 mm, damper valve with oil lock, 114 mm (4.5") travel
Suspension Rear
Monocross, single shock, 109 mm (4.3") travel
Brakes Front
Drum, 95 mm
Brakes Rear
Drum, 110 mm
Tires Front
2.50-14" 4PR
Tires Rear
3.00-12" 4PR
Overall Length
1565 mm (61.6")
Overall Width
681 mm (26.8")
Overall Height
919 mm (36.2")
Seat Height
671 mm (26.4")
Wheelbase
1080 mm (42.5")
Ground Clearance
180 mm (7.1")
Rake/Trail
26.0° / 2.4"
Fuel Capacity
3.79 liters (1.0 gallons)
Curb Weight
72.12 kg (159 lbs) with full fuel tank
Features
• Compact hemispherical combustion chamber produces max torque at 4000 rpm and max horsepower at 7500 rpm
• Automatic cam chain tensioner means minimal maintenance and longer engine life
• Easy-access, tool-free air filter adds extra convenience during maintenance
• Lightweight exhaust system features quiet, USFS-approved spark arrestor
• Die-cast aluminum top triple clamp provides light, precise handling
• Long, YZ-style gripper seat
• Large folding, cleated foot pegs provide excellent footing, even in wet or muddy conditions
• Key-type ignition switch deters unauthorized riding
Miscellaneous
• Cooling: air
• Engine: single cylinder, 4-stroke, SOHC (Single OverHead Cam), 2 valves
• Frame: steel backbone, gusseted steel swingarm
• 90 day limited factory warranty
Specifications
• Automatic cam chain tensioner means minimal maintenance and longer engine life
• Easy-access, tool-free air filter adds extra convenience during maintenance
• Lightweight exhaust system features quiet, USFS-approved spark arrestor
• Die-cast aluminum top triple clamp provides light, precise handling
• Long, YZ-style gripper seat
• Large folding, cleated foot pegs provide excellent footing, even in wet or muddy conditions
• Key-type ignition switch deters unauthorized riding
• Engine: single cylinder, 4-stroke, SOHC (Single OverHead Cam), 2 valves
• Frame: steel backbone, gusseted steel swingarm
• 90 day limited factory warranty
Yamaha website