TOHATSU 9.9D Owner's Manual page 23

l
Mixing ratio (5O:l)
unleaded gasoline 50: GENUINE ENGINE OIL
or
recommended engine oil (TCW3) 1
You must break in the engine by operating it for 10 hours with miring
ratio of 25:l.
e Use of low-quality gasoline results in a short engine life as well as
starting difficulties and other engine trouble.
4-2 Breaking In the Engine
1) Running time.. 10 hours
21 Fuel mix ratio for break-in running
Gasoline 25: Genuine Engine Oil 1
l
25:l when using genuine engine oil or the recommended one
(TCW3)
16