Yamaha 100A Manuel D'utilisation page 96

Pre-mix model
5) After the first 10 hours:
Operate the engine normally. Use the
standard premix ratio of gasoline
(Petrol) : Engine oil. (Refer to "Gaso-
line/Petrol and Oil Mixing".)
Autolube system model
5) After the first 10 hours:
Operate the engine normally. Use
straight gasoline (Petrol) in the fuel
tank; YAMAHA AUTOLUBE SYSTEM
provides proper lubrication for nor-
mal operation.
3-12
GB