Gasoline And Oil Mixing (100:1) - Yamaha E25B Owner's Manual

Operation
sources of ignition.
1. Remove the fuel tank cap.
2. Fill the fuel tank carefully.
3. Close the cap securely after refueling.
Wipe up any spilled fuel.
Fuel tank capacity (if equipped Yamaha
fuel tank):
24 L (6.34 US gal) (5.28 Imp.gal)
EMU27405

Gasoline and oil mixing (100:1)

Break-in period
After break-in
If equipped with a portable fuel tank
1. Pour oil into the portable fuel tank, and
then add gasoline.
1. Engine oil
2. Gasoline
23
Gasoline to engine
oil ratio
See page 21
100:1
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.
ECM00811
CAUTION:
Avoid using any oil other than the spec-
G
ified type.
Use a thoroughly blended fuel-oil mix-
G
ture.
If the mixture is not thoroughly mixed,
G
or if the mixing ratio is incorrect, the
following problems could occur.
Low oil ratio: Lack of oil could cause
G
major engine trouble, such as piston
seizure.
High oil ratio: Too much oil could cause
G
fouled spark plugs, smoky exhaust,
and heavy carbon deposits.
NOTE:
If using a permanently installed tank, pour
the oil gradually as the gasoline is being add-
ed to the tank.