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81 KZ250-D2: CSR


Kawasaki Part Cross Reference Software contains information for this bike.
Model Identification
Color Luminous Passion Red
Frame Number Range (old) KZ250D-010701 - 011169
New VIN Range JKAKZMD1eBA011170 - 015713
Engine serial # KZ250DE019501 - 029102, found on RH top, behind cylinder.
Cylinder Mark 0.246l found on RH side
Engine
Engine Type 4 stroke, single cylinder, SOHC, air cooled.
Displacement 246cc
Bore X Stroke 70.0 X 64.0 mm
Compression Ratio 8.9:1
Maximum HP 19 at 8000 rpm
Maximum torque 1.8 kg-m at 7000 rpm
Carburetor Keihin CV32, constant velocity, diaphragm type
Ignition System 12 Battery & coil, transistorized breaker less
Transmission Ignition Advance Electronic
Clutch Type Wet, multi-disc, Manual Crankshaft Rotation Counterclockwise from ignition (LH) side
Transmission 5-speed,constant mesh, return shift Cylinder Material Aluminum alloy with ferrous sleeve
Shift Pattern 1-N-2-3-4-5 bottom up Fuel Min 91 Research/87 average oct, unleaded OK
Gear ratios 1st 2.64 (29/11) Tuning Specifications
  2nd 1.73 (26/15) Engine
  3rd 1.30 (26/20) Cylinder Head Torque Head Bolts In sequence 1- 1.5 kg/m 2- 2.6 kg/m
  4th 1.05 (21/20) Cylinder Base Bolts 3- 0.9 kg/m 4- Warm up 5- Retorque cold
  5th 0.90 (19/21) Valve Clearance Cold Intake 0.08 - 0.13 mm
Primary Ratio 3.29 (69/21) Exhaust 0.17 - 0.22 mm
Final Ratio 2.47 (35/15) Valve Adjustment Method Rocker arm screw
Overall Ratio (Top Gear) 7.33 Compression Pressure 13.0 kg/cm STD 9.0 kg/cm service limit
Chassis Spark Plug NGK B7ES or ND W22ES-U 0.7 - 0.8 mm gap
Wheelbase 1335 mm Ignition Timing Idle 20 BTDC ("F" mark) at 1,250 rpm
Seat Height 720 mm Full 40 BTDC (in double marks) at 4,000 rpm
Ground Clearance 145 mm Air Screw Sealed - not adjustable
Dry Weight 126.5 kg Idle Speed 1250 100 rpm
Max Recommended Load 155 kg Engine Oil SE Class SAE 10W40, 10W50, 20W40, 20W50
Fuel Tank Capacity 8.0 liters - w/filter change 1.4 liter
Tire Size Front 2.75-18 4PR Tube-Type - no filter change 1.1 liter
Rear 4.60S-16 4PR Tube-Type - Level On center stand, wait 5 min, middle of window.
Brake Type Front Mechanical Drum (Leading/Trailing) - Pressure (hot) Approx. 0.2 kg/cm at 4000 rpm 90C
Rear Mechanical Drum (Leading/Trailing) Chassis
Brake Size Front 150 X 28 mm Fork Oil SAE 5W20
Rear 130 X 28 mm - Capacity 150cc dry
Suspension Stroke Front 150 mm - Level 432 4 mm (Fork extended, spring removed)
Rear 92 mm Tire Pressure (cold) Front 1.75 kg/cm
  Rear (normal) 1.50 kg/cm (0 - 97.5 kg)
Rear (heavy) 2.00 kg/cm (97.5 - 155 kg)
Drive Chain Slack 20 - 35 mm (on center stand, tightest point, STD)

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