1968-1973 Honda CL250 Full Specifications
Get to know the 1968-1973 Honda CL250 in exquisite detail with our meticulously crafted motorcycle specifications tables.
Click or tap on a navigation pane below to find your way through our highly detailed, categorised 1968-1973 Honda CL250 specifications.
Performance Specifications Table
| Attribute | Value |
|---|
| Climbing ability | 20 o |
| Fuel consumption | 127 mpg (average) |
| Braking distance | 14.5 m @ 31 mph |
| Minimum turing radius | 4,400 mm |
Dimensions Specifications Table
| Attribute | Value |
|---|
| Overall length | 2,100 mm |
| Overall width | 830 mm |
| Overall height | 1,090 mm |
| Wheelbase | 1,320 mm |
| Ground clearance | 180 mm |
| Wet weight | 157 kg (fuel and fluids) |
Frame Specifications Table
| Attribute | Value |
|---|
| Frame type | Semi-double, cradle |
| Rake / Caster angle | 63 ° |
| Trail length | 95 mm |
Engine Specifications Table
| Attribute | Value |
|---|
| Power | 27 bhp @ 10,000 rpm |
| Torque | 20.7 Nm @ 8,000 rpm |
| Engine capacity / displacement | 249 cc |
| Engine configuration | Twin cylinder, OHC |
| Arrangement | Vertical, twin parallel |
| Bore and Stroke | 56.0 mm x 50.6 mm |
| Compression ratio | 9.5 : 1 |
| Electric start | no |
| Engine weight | 52.5 Kg (dry) |
Valves and Springs Specifications Table
| Attribute | Value |
|---|
| Intake valve clearance | 0.01 mm - 0.035 mm |
| Intake valve lift | 6.876 mm |
| Intake valve concentricty of valve face | within 0.03 mm |
| Intake valve stem diameter | 6.975 mm - 6.99 mm |
6.955 mm (service limit) | | Intake valve guide diamater | 7.00 mm - 7.01 mm (bore) |
| Intake valve guide diameter | 7.05 mm (bore service limit) |
12.56 mm - 12.57 mm (outer) | | Intake valve length | 98.05 mm - 98.35 mm |
97.65 mm (service limit) | | Intake valve head thickness | 0.85 mm - 1.15 mm |
0.6 mm (service limit) | | Exhaust valve clearance | 0.03mm - 0.046 mm |
| Exhaust valve lift | 6.869 mm |
| Exhaust valve concentricty of valve face | within 0.03 mm |
| Exhaust valve stem diameter | 6.955 mm - 6.97 mm |
6.935 mm (service limit) | | Exhaust valve guide diameter | 7.00 mm - 7.01 mm (bore) |
7.05 mm (bore service limit) | 12.56 mm - 12.57 mm (outer) | | Exhaust valve length | 96.63 mm - 96.93 mm |
96.23 mm (service limit) | | Exhaust valve head thickness | 0.85 mm - 1.15 mm |
0.6 mm (service limit) | | Intake valve spring free length | 49.0 mm (outer spring) |
47.8 mm (outer spring service limit) | 39.8 mm (inner spring) | 39.3 mm (inner spring service limit) | | Intake valve fitted load | 62.6 kg - 72.0 kg (valve closed) |
| Exhaust valve spring free length | 49.0 mm (outer spring) |
47.8 mm (outer spring service limit) | 39.8 mm (inner spring) | 39.3 mm (inner spring service limit) | | Exhaust valve fitted load | 30.5 kg - 35.1 kg (valve closed) |
Valve Train Specifications Table
| Attribute | Value |
|---|
| Type | DOHC |
| Layout | overhead camshaft |
| Drive type | chain driven |
| Rocker diameter | 13.0 mm - 13.027 mm (bore) |
Cylinder and Piston Specifications Table
| Attribute | Value |
|---|
| Cylinder bore diameter | 56.01 mm - 56.02 mm (bore) |
56.11 mm (bore service limit) | | Cylinder out of round | 0.05 mm (service limit) |
| Cylinder taper | 0.05 mm (service limit) |
| Piston diameter | 55.97 mm - 55.99 mm (outer) |
| Top piston ring to groove clearance | 0.03 mm - 0.06 mm |
0.18 mm (service limit) | | Second piston ring to groove clearance | 0.015 mm - 0.045 mm |
0.165 mm (service limit) | | Piston pin diameter | 14.994 mm - 15.00 mm |
| Piston pin bore diameter | 15.002 mm - 15.008 mm |
15.05 mm (service limit) | | Piston ring oil groove width | 0.01 mm - 0.045 |
| Top piston ring end gaps | 0.15 mm - 0.35 mm |
0.075 mm (service limit) | | Second piston ring end gaps | 0.15 mm - 0.35 mm |
0.075 mm (service limit) |
Clutch and Primary Drive Specifications Table
| Attribute | Value |
|---|
| Reduction ratio | 3.714 : 1 |
| Clutch type | Multi-plate, wet |
| Clutch spring free length | 35.5 mm |
34.2 mm (service limit) | | Plate warpage | 0.3 mm (service limit |
| Friction plate thickness | 2.62 mm - 2.78 mm |
2.3 mm (service limit) |
Transmission Specifications Table
| Attribute | Value |
|---|
| Type | 5 speed, constant mesh |
| Gear ratio | 1st gear = 2.353 : 1 |
2nd gear = 1.636 : 1 | 3rd gear = 1.269 : 1 | 4th gear = 1.036 : 1 | 5th gear = 0.900 : 1 |
Final Drive Specifications Table
| Attribute | Value |
|---|
| Final drive | Chain |
| Final drive ratio | 2.625 |
Lubrication Specifications Table
| Attribute | Value |
|---|
| System type | Forced pressure and wet sump |
| Oil capacity | 2.0 litres (dry fill) |
Cooling System Specifications Specifications Table
| Attribute | Value |
|---|
| System type | Air cooled |
Fuel System Specifications Table
| Attribute | Value |
|---|
| Fuel type | unleaded 95 RON |
| Fuel tank capacity | 9.0 litres |
Carburetion Specifications Table
| Attribute | Value |
|---|
| Carburetor type | Constant velocity |
| Carburetor manufacturer | Keihin |
Ignition System Specifications Table
| Attribute | Value |
|---|
| Spark plug type | NGK B-8ES |
Front Suspension and Steering Specifications Table
| Attribute | Value |
|---|
| Type | Telescopic fork |
Rear Suspension Specifications Table
| Attribute | Value |
|---|
| Type | Swingarm |
Front Brake Specifications Table
| Attribute | Value |
|---|
| Front brake type | Internal expansion |
Rear Brake Specifications Table
| Attribute | Value |
|---|
| Rear brake type | Internal expansion |
Wheels and Tyres Specifications Table
| Attribute | Value |
|---|
| Front wheel size | 19 inch |
| Front tyre size | 3.00-18 (4PR) |
| Rear wheel size | 18 inch |
| Rear tyre size | 3.50-18 (4PR) |
Electrical Charging Specifications Table
| Attribute | Value |
|---|
| Battery voltage rating | 12 volts DC |
| Battery capacity | 12 ampere hour (Ah) |
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