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| Description: |
Two-cycle,oil-in-fuel lubrication, fan-cooled |
| Bore: |
72.0mm (2.83 in) |
| Stroke: |
66mm (2.6 in) |
| Displacement: |
268.7 cc (16.4 in) |
| Compression Ratio: |
Theoretical 11.8, effective 6.7 |
| Power Output: |
19.0kW (25.5hp) @ 6100 rpm |
| Torque Max: |
31Nm (22.9 ft lb) @ 5700 rpm |
| Max Recommended Rpm: |
6400 rpm 1/min |
| Cylinder: |
Light alloy cylinders w/cast
iron sleeves. |
| Piston: |
Aluminum Cast piston w/2 piston
rings |
| Piston/Cylinder Clearance: |
.08 - .09mm (.00315 - .00354 in) |
| Ignition System: |
Flywheel magneto generator SCP2
w/contact breakers |
| Generator output: |
AC12V 75/23W |
| Rectifier-Regulator: |
a) 866 080 for use with or
without battery, limited to minimum of 12W consumption |
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b) 264 870 for use with or
without battery, no limit of consumption |
| Ignition timing: |
2.28mm = .09 in (19 degrees)
B.T.D.C |
| Contact breaker points gap: |
.3mm - .4mm (.012- .016in) |
| Break away gap: |
8-12mm (.32-.47 in) |
| Spark plug: |
14mm, B8ES |
| Electrode gap: |
.5mm (.02 in) |
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Gear box: |
B type, available in 2:1,
2.24:1, 2.58:1, 3:1 |
| Engine Lubrication: |
Two-cycle oil for air cooled
engines. 50:1 |
| Lubrication of gear box: |
140 weight gear oil |
| Cooling: |
Fan cooled or free air |
| Weights: |
Engine without carburetor, fuel pump
exhaust,
| gear drive B |
19.3 kg (45.5lb) |
| carburetor with socket |
.9 kg (2.0lb) |
| exhaust system |
4.0 kg (8.8lb) |
| intake silencer with
filter |
.84 kg (1.9lb) |
| electric starter |
3.5 kg (7.7lb) |
| gearbox (B), dry |
4.5 kg (12.1lb) |
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