Need photo |
Model
Identification |
Color |
1- Luminous Midnight Red (USA only) 2- Ebony |
VIN Range |
JKAKZMW1eDA000001
- ? |
Engine number range |
KZ250RE000001 - ? , found on RH top crankcase, behind
cylinder. |
Cylinder Mark |
0.246l found on RH
side |
Engine |
Engine Type |
4 stroke, single cylinder, SOHC, air cooled. |
Displacement |
249cc |
Bore X Stroke |
70.5 X 64.0 mm |
Compression Ratio |
9.3:1 |
Maximum HP |
22 at 8500 rpm |
Maximum torque |
2.1 kg-m at 7000 rpm |
Carburetor |
Keihin CV36, 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 |
0.83 (20/24) |
Valve Clearance Cold |
Intake |
0.08 - 0.13 mm |
Primary Ratio |
3.29 (69/21) |
Exhaust |
0.17 - 0.22 mm |
Final Ratio |
2.52 (58/23) |
Valve Adjustment Method |
Rocker arm screw |
Overall Ratio (Top Gear) |
6.90 |
Compression Pressure |
13.0 kg/cm² STD 9.0 kg/cm² service limit |
Chassis |
Spark Plug |
NGK B8ES or ND W24ES-U (USA) NGK BR8ES or ND W24ESRU
(Canada) 0.7 - 0.8 mm gap |
Wheelbase |
1345 mm |
Ignition Timing |
Idle |
10° BTDC ("F" mark) at 1,300 rpm |
Seat Height |
740 mm |
Full |
40° BTDC (in double marks) at 4,200 rpm |
Ground Clearance |
145 mm |
Air Screw |
Sealed - not adjustable (USA) 1 3/8 turns out
(Canada) |
Dry Weight |
131.5 kg |
Idle Speed |
1250 ± 100 rpm |
Max Recommended Load |
155 kg |
Engine Oil |
SE Class SAE 10W40, 10W50, 20W40, 20W50 |
Fuel Tank Capacity |
11.7 liters |
- w/filter change |
1.4 liter |
Tire Size |
Front |
3.00-19 4PR Tube-Type |
- no filter change |
1.1 liter |
Rear |
120/90-16 63S 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/cm² at 4000 rpm 90°C |
Rear |
Mechanical Drum (Leading/Trailing) |
Chassis |
Brake Size |
Front |
150 X 28 mm |
Fork Oil |
SAE 5W20 |
Rear |
130 X 28 mm |
- Capacity |
160cc dry |
Suspension Stroke |
Front |
150 mm |
- Level |
432 ± 4 (Fork extended) |
Rear |
92 mm |
Tire Pressure (cold) |
Front |
1.75 kg/cm² |
Not sold in California |
Rear (normal) |
1.50 kg/cm² (0 - 97.5 kg) |
Rear (heavy) |
2.00 kg/cm² (97.5 - 155 kg) |
Drive Belt Tension |
6.5 - 17 mm deflection (on center stand, apply 4.5
kg of force on belt midway between sprockets) |