Yamaha E25B Owner's Manual page 37

ture.
If the mixture is not thoroughly mixed,
●
or if the mixing ratio is incorrect, the
following problems could occur.
Low oil ratio: Lack of oil could cause
●
major engine trouble, such as piston
seizure.
High oil ratio: Too much oil could cause
●
fouled spark plugs, smoky exhaust,
and heavy carbon deposits.
Break-in period
After break-in
1 L
(0.26 US gal, (3.2 US gal,
0.22 Imp gal) 2.6 Imp gal)
0.01 L
(0.01 US qt, (0.13 US qt,
0.01 Imp qt) 0.11 Imp qt)
1. : Gasoline
2. : Engine oil
If equipped with a portable fuel tank
1. Pour oil into the portable fuel tank, and
then add gasoline.
Gasoline to engine
oil ratio
See page 28
100:1
100:1
12 L 14 L
(3.7 US gal, (6.3 US gal,
3.1 Imp gal) 5.3 Imp gal)
0.12 L 0.14 L 0.24 L
(0.15 US qt, (0.25 US qt,
0.12 Imp qt) 0.21 Imp qt)
ZMU04910
24 L
1. Engine oil
2. Gasoline
2. Replace the fuel tank cap and close
tightly.
3. Shake the fuel tank to mix the fuel thor-
oughly.
4. Make sure that the oil and gasoline are
mixed.
If equipped with a built-in fuel tank
1. Pour oil into a clean fuel can, and then
add gasoline.
2. Replace the fuel can cap and close tight-
ly.
3. Shake the fuel can to mix the fuel thor-
oughly.
4. Make sure that the oil and gasoline are
mixed.
5. Pour the gasoline and oil mixture into the
built-in fuel tank.
TIP:
If using a permanently installed tank, pour
Operation
32