oil type for my 67 bultaco metralla?

[bridgetfondue]

hey guys,  i just bought a 67 metralla and will not have my shop manual for a couple weeks.   does anyone know what type of transmission and engine oil i should be running.   also if anyone knows the oil/fuel mixture that would be great.   its the 244cc engine.   thanks a lot
          -spencer

[juanpt40]

For Bultacos
Engine, sintetic two stroke as for the modern mopeds at 2,5 %. Is it not necesary richest mixtures.
Gearbox, SAE 90 or Multigrade 80-140
We ride every week more of 200 km with our Bultacos in Spain (hot weather) wthout problems