Wacker Neuson BS 70-2, Operator'S Manual, Page: 24 / 50

Operation BS 60-2 / BS 70-2
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4.2 Recommended Fuel
This rammer engine requires a two-cycle gasoline/oil mixture.
With standard two-cycle oil use 50:1 ratio.
With Wacker Neuson two-cycle or other oil meeting the NMMA TC-W3
specification, a ratio from 50:1 to 100:1 can be used.
Mix regular unleaded gasoline and two-cycle/outboard motor oil in
separate container before filling tank.
Use of oxygenated fuels
Some conventional gasolines are blended with alcohol. These
gasolines are collectively referred to as oxygenated fuels. If you use
an oxygenated fuel, be sure it is unleaded and meets the minimum
octane rating requirement.
Before using an oxygenated fuel, confirm the fuel's contents. Some
states / Provinces require this information to be posted on the fuel
pump.
The following are Wacker Neuson approved percentages of
oxygenates:
ETHANOL
- (ethyl or grain alcohol) 10% by volume. You may use
gasoline containing up to 10% ethanol by volume (commonly referred
to as E10). Gasoline containing more than 10% ethanol (such as E15,
E20, or E85) may not be used because it could damage the engine.
If you notice any undesirable operating symptoms, try another service
station, or switch to another brand of gasoline.
Fuel system damage or performance problems resulting from the use
of an oxygenated fuel containing more than the percentages of
oxygenates mentioned above are not covered under warranty.
FUEL RATIO 50:1 FUEL RATIO 100:1
Gasoline Oil Gasoline Oil Gasoline Oil Gasoline Oil
5 liters 100 ml 1 gallon 2.5 oz. 5 liters 50 ml 1 gallon 1.75 oz.
10 liters 200 ml 3 gallons 8.0 oz. 10 liters 100 ml 3 gallons 4.0 oz.
15 liters 300 ml 5 gallons 13.0 oz. 15 liters 150 ml 5 gallons 6.5 oz.