1991 Yamaha TZR250R SP
Engine
Engine type Liquid-cooled, 90deg, V-twin, two-stroke.
Bore x Stroke 56.0 x 50.7 mm
Displacement 249 cc
Valves 2 valves per cylinder
Compression ratio 11.5:1
Max Power 45bhp
Max Torque 27.5ft-lb
Fuel system 2 x 28mm Mikuni flat slide carbs
Transmission 6-speed constant mesh
Final drive Chain
Clutch Wet, multi-plate type
Ignition type
Starting system Electric starter
Lubrication Wet sump
Intake system
Spark plug
Battery
Gear ratios
Dimensions
Frame type Deltabox
Rake 25deg/96mm
Overall length 2145 mm
Overall width 760 mm
Overall height 1075 mm
Wheelbase 1340mm
Seat height 780 mm
Ground clearance 165 mm
Weight 128kg
Fuel capacity 16.5 litres
Color Silky white
Suspension (front) 39mm USD adjustable telescopic forks
Suspension (rear) Fully adjustable Monoshock rear
Tyre (front) 110/70-R17
Tyre (rear) 150/60-R17
Brake (front) Dual disc brake
Brake (rear) Single disc brake
Image: http://www.pure-2-stroke-spirit.info/node/12